There was a discussion about this a while ago on the farms and the theory most people came up with is a combination of needing thing done in a timely manner and wanting to keep a level o equality across members even if it means purposely making some of them worse, yes indies had better rigging and models, but some of them basically hand blank check to their riggers and tell them to take their time, Veibae models for example was in the works for over 6 months and she said only the rigging cost her over 10k, Cover and Anycolor might have more money but as company they have to justify every expense and have a thigh pipeline to adhere to, which mean they have to settle for middle of the road work most of the time.That's kind of my point though. It should be abnormal for Nijisanji and Hololive. They're the top of the top. It feels fucking weird to see every part of her face be super responsive and emotive, and the mouth looks like a hand puppet. A lot of indie and even small corpo rigging absolutely mogs a bunch of Hololive-EN, and tons of Niji-EN, and it's a shame to see in both cases.