> They probably didn't have an easy time finding new employees too because of the nature and controversy associated with the site, potentially part of the reason for lack of moderation.
Parler established itself as a "free speech" social network platform. Part of its objective, based on that principle, was minimal or no moderation. Ironically, of course, they banned many people who came in with left-wing views. Which means they actually worked to create the extremist bubble that is now causing them problems with others.