Mainly how Liz and some other characters basically worships her. With the PR veil around her slowly being lifted, it would make sense to want to get out in front of the scandal and just pretend 30 Rock never idolized her in the first place.
Maybe, but the infamous Bill Cosby joke was from an episode that came out while he was well-regarded. Just illustrating how people in the industry (writers, producers, etc.) know more about the dark sides of these entertainers well before it goes public.