Adaptation Displacement: Few people know that the 1996 film is loosely based on the 1956 film "Ransom!", starring Glenn Ford as the defiant father. That movie, itself, was based on a live TV drama (titled "Fearful Decision") produced on "The U.S. Steel Hour", starring Ralph Bellamy.
Memetic Mutation: The phone confrontation scene between the hero and the kidnapper, specifically GIVE ME BACK MY SON! and "GIMME THE MONEY!". So memetic, in fact, that it has been turned into a Voice Clip Song.
Values Dissonance: The concept of a kidnapper ready to kill his own captive and the father deciding to play things his own way to avoid this, sounds rather risky and unheard of back in the era. Nowadays, thanks to terrorism and crime risen, it sounds a fairly normal strategy to do.
The reveal in "Radio Silence" that someone was sexually abused by a coach when news in 2018 uncovered scandals involving coaches in various sports have been accused to sexual abuses towards male/female players.
The reveal of "Black Dolphin" that it's an online game that challenges players, that includes the rule to commit suicide is a huge reminder of the Momo challenge, the latter happening days after law enforcement reported a huge spike of people doing the challenge.
Eric when she was forced to shoot Maxine's mom since she was wearing a suicide vest and was about to detonate it.
Maxine for loosing her mom and for getting in several scenarios including shooting someone who was about to kill Oliver.
Taylor in "The Client", especially after she finds out that her parents escaped from Boston to Quebec to escape from their mobster past with their ex-boss willing to kill them to get her money that the girl accepts putting blood on her hands to prevent Frances from coming after them.
a Voice Clip Song.