It's all done by algorithms now, banning based on keywords and no human employees are involved. So scholarship such as you mentioned, is not allowed, because corporations are too lazy to be responsible. Someone told me that Facebook banned their account because they posted a link to my article on moral philosophy because the title mentioned Hitler: https://medium.com/inserting-philosophy/did-hitler-know-he-was-a-bad-evil-person-99ac7e6a1528.