Earlier quoted context omitted.
south park is a product of the 1990's! its origins lean heavily on the still-true left/democratic party's pro-censorship leanings just because the recent right/republicans were able to more effectively lean into the meme-heavy southpark-type (crude, male-targeted) humor as marketing doesn't really track with your last assertion (for me)
I feel it worth pointing out an important distinction between censorship coming from "the left" vs. that coming from "the right". On the left, when someone uses a racial or sexist epithet, for example, the reaction is to exert social pressure against that individual. Social media escalates that to a giant dogpile, which, in some cases, results in some extreme cases where the individual loses their job in addition to…
They handed a guy a seven month jail sentence for posting a joke that Hillary voters could text in their votes.