Are we crazy…?

Sometimes I read comment sections debating about a fictional character being like “she would never do this… she’s just mentally depressed and I feel like she’d be the type of person to keep things to herself…” and then I realize that we’re all just discussing the non-existent personality of a character that an author has written. Like at the end of the day it’s just a drawing on a screen. I don’t know how to explain it