“Real life stopped mattering to me,” says founder Fredrick Brennan.
Violent threats against minorities have also proliferated on the anonymous message board.
YouTube says it will “remove content denying that well-documented violent events took place.”
Facebook announced Thursday that the company killed more than 2 billion fake accounts in the first quarter.
TikTok, which is mega popular with children and teens, has a problem with blatant, violent white supremacy and Nazism.
Oliver goes long on Facebook's content moderation problems.