Tunes down the reaction to celebs a bit. Especially DJs will no longer constantly forget about their task. When a star starts posing, they will still cheer a bit, but will go back on duty quickly. Sims who are at lest good friends or closely related to a star, will react less like fans.
Witches can go foraging, go to the Realm, go to a Coven Gathering or take a walk in the forest without you following them (many times I'm not in the mood of going through a loading screen).