curi is describing some ways in which the world is burning and you are worried that the quotes are "extremist". You are not concerned about the truth of what he is saying. You want ideas that fit with convention.
I am not worried. However taking positions viewed as extremist by the mainstream (aka the normies) has consequences. Often you are shunned and become an outcast -- and being an outcast doesn't help with extinguishing the fire. There are also moral issues -- can you stand passively and just watch? If you can, does that make you complicit? If you can't, you are transitioning from a preacher into a revolutionary and that's an interesting transition.
The quotes above don't sound like they could be usefully labeled "true" or "not true" -- the...