They did post obscene stuff, like doxxing people, death threats, threats of violence, all of it. They are a terrorist organization, plain and simple. They should have been banned a long time ago, like many other extremists, but instead they only banned conservatives.

Terrorism (tĕr′ə-rĭz″əm) noun:

1. The use of violence or the threat of violence, especially against civilians, in the pursuit of political goals.
2. Resort to terrorizing methods as a means of coercion, or the state of fear and submission produced by the prevalence of such methods.
3. The act of terrorizing, or state of being terrorized; a mode of government by terror or intimidation.