I just don't get it why those mocap scenes are so laggy and buggy.
I don't know how mocaps are created and imported into VAM. But I guess the laggy part is because of much more data needed to store the animations and creators don't care to adjust basic physics and hair settings to make it performant. You don't need high quality physics enabled to create realistic animations. The buggy part is, because the creators don't really understand the physics system in this software and don't care to use plugins to combat the problems the jankyness of the physics system brings with it.
I am the creator of
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. I created all animations by hand in VR and can tell you smooth and working animation interactions are a work of endless tweaking, carefully adjusting angles, enabling/disabling different plugins at the right time, working around the countless glitches VAM and some of those plugins have, adding loading delays etc. It's hours upon hours of experimenting. Most creators probably just don't care enough.
There are very few creators who go the extra mile like
ispinox or
PetaZwega, they are the GOATS when it comes to quality scenes.