Nobody who is in to South Park thinks it sucked after the 2nd season, its fallen off a little in last few seasons but still a great show.
I was into it, but after awhile...it seems the same, maybe if i hung on a little longer, but it started to be a cliche---one big joke, a farce. Sure they do a lot of satire, but what really separates the satirical cartoons like Simpsons, Family Guy, The Boondocks, or comic strips like Doonesbury, Opus, Outland,etc is that you see growth within the characters,storylines, and the slickness of it, plus the artwork---South Park last time I check, has none.