Homophobic slurs aside, Trey Parker and Matt Stone (God rot their souls) were basically not vindicated by their demonization of the Screen Actors Guild (aside from being how very sanctimonious and hypocritical the richer celebrities can often be) ...
Except of course for the central fact that the enduring popularity of those two is derived from their skewering of sanctimonious hypocrisy among celebrities and the generally well-situated. Regardless of the specific "issues" addressed in a given bit.
But yeah, they're particularly pernicious purveyors of a Millennial strain of humor.