" A true echo chamber, isolating oneself from views that go against someone's current viewpoints, is only possible if your viewpoint aligns with the dominant views of the society you live in.
Hexbear blocked carnivore@lemm.ee for going against their viewpoints.
It is a true echo chamber. But if your general point is it's okay to be an echo chamber, because it's impossible to live your life without being exposed to other ideas... Fine, but that doesn't change the fact they are an echo chamber as a platform