Entertainers are broadly fine, they just don't work as a district job because in the vanilla UI there is only room for 5 types of districts per planet, so you want every one of them to be something spammable. The Leisure Arcology used to be the Unity producing one, but we now have the Adminsitative/Ecclesiastical Arcology for that and though I appreciate having a Leisure Arcology available for thematic purposes, a Research or Trade Arcology would make more sense from a gameplay perspective.
The Residential Arcology is also redundant because the other types give 10 housing and 6 jobs, so for every one you build you get 4 more housing than jobs and there just is no housing shortage. Swapping the Residental Arcology for a Trade Arcology (2 Merchants + 4 Clerks) and the Leisure Arcology for a Research Arcology would make all kinds of sense. And the Leisure Arcology could still exist as a Pleasure Seekers replacement of the Administrative Arcology. And speaking of Pleasure Seekers, the civic could have Entertainers provide +1 Unity instead of +1% pop growth to make the arcology replacement more viable.
