The 90s were also the era when entertainment (tv, movies, etc.) became the political, pc, platform it is now. Or at least when some viewers started noticing. The 70s (All In The Family for example) is notable because most of the viewers didn’t realize they were being preached to and that Archie Bunker was a slam on the fans/viewers/America at that time.
Yeah, the Dan Quayle potato incident took it to another level.