I’m with you on the confusion because it’s like… I don’t feel the need to act this way, why do other people? What drives them that, in a void, they resort to these thoughts and behaviors? Is this who they really are, or is it an act, like doing an evil playthrough in a game. “I want to because I can here, and I can’t anywhere else?”
Fandom engages in a lot of anti-user and anti-creator practices. There are mirrors to it that privacy and content respecting, particularly Antifandom and BreezeWiki. If you are interested in making the switch, there are plugins that will automatically redirect you away from Fandom towards one of these mirrors.