In a lot of cases, while I am frustrated by them, I don’t entirely fault them.
Theory is dense and written in an antiquated way since the base of it is over 200 years old. Folks often try to find a summary, which can lead to a whole slew of rightwing disinfo. On top of that, anarchism has been actively maligned in the US since the dismantling of unions in the 1920s and communism has been since the cold war, so people often have to overcome their initial misconceptions before they can even begin to learn.