No medicine, only magic

Starchy refusing to use Bubblegum's medicine in favor of magic when he is sick, followed by taking it personally when Bubblegum makes fun of the idea, is a lot like when people in Real Life prefer faith-healing and alternative medicine instead of medical science and the advice of doctors and other medical professionals. Nurse Poundcake, Finn and Jake represent those who want to compromise between the two sides, refusing to side with Bubblegum on her notion despite trusting Bubblegum's expertise (and in Poundcake's case, actually being a medical professional) .

Example of:
Does This Remind You of Anything?