Let's be honest:
animations are a waste of development time in all the VNs. No developer is skilled enough to justify animations, everyone just uses DAZ and the results are really "meh" compared to good animation done by skilled people dedicated only to that, using professional software like Blender or Maya. I would be fine with this "meh" level of animations if they were not so much time consuming for developers, as the contribution to the story is so tiny and forgettable. The problem is that there is a faction of annoying complainers when animations are missing. They don't give a fuck about quality but they want to see things moving. They miss porn videos. So we have a slow producer like Stoper that it notoriously prone to constant second thoughts, wasting time (and 1/3 of the total renderings) to make animations. Animations of a few second loops, and that's the same standard for everyone, even for stakanovist DrPinkCake and his massive PCs setup + massive budget.
But try to avoid animation, you'll get so many complains!
I think some people complain about lack of animations in books too.