If they are pro-Nazi, they are probably just Nazi

If they are pedos, they are probavly pro-pedos

There are all combinations out there, be it pro-pedo-Nazis, anti-pedo-Nazis, and anti-Nazi-pedos. There is no obvious link between the two.

Communism isn’t inherently authoritarian, it holds no relation to authoritarianism or democracy, just like capitalism, and can exist within any political formation. Conflating communism with authoritarianism and capitalism with democracy will likely result in completely justified dictionary arguments, as this misconception is actually very important ideologically.

Associating communism with things like USSR or, in an even more cursed way, China and claiming communism is authoritarian is actively harmful, especially considering that neither of them ever had communism to begin with - they had socialism and claimed to be directed towards communism some time in the future.

Such shortcuts, like communism=authoritarianism=evil prevent you from actually familiarizing yourself with the concepts and puts you in a position when you oppose a strawman.