She is either a nurturing Cool Big Sis who is learning from her mistakes or a judgmental Alpha Bitch and a spoiled brat who thinks she’s better than her siblings. Even in-universe, Viktor during a Freak Out accuses her of ruining his life by Rumoring him into forgetting his powers under their father's orders. Allison tries to explain she was only four and didn't know any better, but Viktor retorts that Allison was afraid of what he could do, as he has memories of causing mayhem with his powers and lacking control. It is strange that afterward Allison doesn't blame Viktor for slitting her throat, so perhaps Allison was scared as a kid and repressed the memory out of guilt.
As of season 3, Allison's Took a Level in Jerkass behavior. It's undeniable she has become a horrible person, but is she just lashing out after all the pain she's gone through in the last year, or is this the "real" Allison who has given up pretending to be nice because of how little reward it's given her? Allison's powers have always been shown to affect her ability to empathize with others and induce an It's All About Me mindset, and per the backstory, she had abused her first husband and child with her powers and only seemed like a good person because of her Heel Realization and attempt to atone. However, with how she's acting now, it calls into attention if her previous Nice Girl behaviour was genuine and she really understood/recognised the harm she'd caused, or had she merely been behaving because she knew that was what she needed to do in order to have a relationship with Claire.
Is Pogo a caring fatherly figure, which the family is in desperate need of, and couldn’t be blamed for Reginald’s abuse as he was pretty much stuck in a terrible situation, since, well, he’s a talking chimp and what could he do? Or does he deserve flak for not only doing nothing to stop the children’s abuse, but also saying Reginald Hargreeves was a “good man”? Or is it possible to hold him accountable for the wrongs he committed against the children while also acknowledging he was in a difficult position, being close to and manipulated by Sir Reginald himself? It says something that his last act was to buy time for the other siblings to escape by telling Viktor that his father had his reasons for medicating him. Absolutely the wrong thing to say at the time because Viktor kills him, but may have also been on purpose so he wouldn't hurt the others and direct blame away from his siblings.
This gets even more complicated in Season 3, when Pogo from the alternate timeline stands up to Reginald over his treatment of the Sparrows and walks away altogether, but not before giving the Sparrows a way to keep Reginald in check. Does this imply that Pogo from the original timeline had it in him all along, could have of truly made a difference, and was therefore a willing accomplice after all? Or does alternate Pogo have more of a spine as a consequence of Grace walking away from Reginald and taking young Pogo with her, which is a consequence of Diego time-travelling to the 1960s?
Viktor:
Some corners of the fandom see Viktor as a blameless victim of an abusive father and uncaring siblings who only ever wanted love and affection, only attacked when pushed too far, and would not have gone on a rampage if Luther hadn't locked him up. However, others point out that he committed two brutal acts of violence well before Luther even knew he had powers. There is also some debate over his book: Do his siblings hate it for being a brutally honest look at the deplorable way they treated Viktor, or do they hate it because Viktor is an Unreliable Narrator and portrayed them in a way that was neither fair nor accurate?
Also there's the issue of child-Viktor killing his nannies. Was it a red flag of similar behavior as an adult, or a case of him being Obliviously Evil since Reginald treated the deaths more like temper tantrums? We don't know if Reginald ever talked to Viktor about what murder was since it's highly possible he tried and Viktor was too powerful to listen.
What set Viktor off in the first timeline? Was it just Harold, since he was manipulating him to turn against his siblings? Withdrawal from his meds and rage about learning the truth? Or is he perpetually doomed to end the world, no matter who or what sets it off as the Handler says? Luther only locked up Viktor in the current timeline because he very nearly killed Allison, but he didn't seem to be locked up in the first timeline. How did he become angry enough to murder his siblings? There are many options, since Viktor is seen flying off the handle when he believes his siblings have excluded him; whether it was a large trigger or a small one blown out of proportion remains to be seen.
Also, consider Viktor's flashbacks/hallucinations during his rampage down the hallway. Ben is politely reminding him that he needs to have a power in order to go on missions, and it's obvious that he opened Diego's and Allison's bedroom doors without knocking, which of course would frustrate most people.
There is also the question of whether Viktor, as the White Violin, actually intended to cause the apocalypse. In the timeline we do see, his accumulated energy is unleashed at the moon seemingly by accident when Allison fires a gun right next to his head and stuns him. Was this the intended result, or was Viktor initially gathering power simply to prove his overwhelming superiority to his brothers and sister? If it's the latter, was he doomed to cause an apocalypse regardless, due to overestimating the amount of energy he could safely control?
Is Diego a good, kind man with a deep caring side (shown by his love for Grace, Eudora, Lila, Stan and his and Lila's unborn child) who's right to get on Luther's case and tries to be a good leader? Or does he just pick fights with Luther and hit his emotional sore spots out of misdirected blame for how Reginald pitted the two against each other? These of course aren't mutually exclusive truths.
Does God hate Klaus personally or does she hate his power's unnatural link to death? Which could possibly be breaking some universal laws. In Season 2 when we see Klaus kept Ben from heaven as a teen this point makes more sense.
There is much debate as to whether Luther was just too brainwashed to see things clearly but does love his siblings and wants to save the world, or a straight up awful man who ONLY cares about himself, their abusive father, and Allison, and also outright causes Viktor to go off the deep end and end the world. Some fans, however, point to the Bad Future in which Luther is apparently ambushed and killed by Viktor prior to the apocalypse as evidence that, while Luther did have a hand in him snapping in one timeline, Viktor is ultimately responsible for his own actions.
Grace's decision to stay in the mansion when Viktor brings it down. Her programming kicking in since she was built to withstand Viktor's tantrums as a child and was ordered to never leave the mansion? A case of I Will Only Slow You Down since she's made to be a housewife and not for sprinting out of self-preservation? Or Face Death with Dignity as atonement for her complicity in Viktor's abuse?
Reginald:
While NO ONE claims that Reginald Hargreeves wasn’t a horrible parent, and the root of most of the conflicts in this series, was he a Manipulative Bastard who didn’t care about his children at all, or did he care for his children, but have horrendous communication skills, and prioritized the apocalypse over them? There were a few Pet the Dog that could prove the latter, and the flashback in episode ten shows he is at least capable of love. Him originating from some sort of mysterious future or alien world also raises a lot of questions as to his motives for being a Sink or Swim Mentor.
Season 3 features Reginald murdering two of his children in cold blood to further his own agenda, so it seems more likely that he didn't care at all. Of course, this is an alternate timeline version of Reginald, so it's still technically possible that, in the original timeline, this was not the case.
On a further note, regarding Sir Reginald's decision to murder all the other members of Majestic 12: Was he tying up loose ends that he didn't need any more and because they knew he was an alien? Or was he genuinely angered that they assassinated JFK and punishing them appropriately?
Did Sparrow Ben and Klaus have a drunken hook-up after Luther and Sloane's wedding? They were last seen being remarkably affectionate with each other that night, they wake up next to each other mostly naked, and Klaus says Ben "opened [his] kimono" to him. When Five later speaks to Luther about the events of that night and remarks that everyone was hooking up, Luther confusedly asks if Ben slept with someone. And then there's a brief shot of Klaus and Ben riding down an elevator together ... with Klaus's arm around Ben, which Ben shakes off before anyone can see.
