Hi again.
Interesting point and one I can speak too specifically, as I tested this exact use case out for my mobile vr game when i was learning meshbaker and how unitys culling and static batching all played well together.
What I found was for an s7 class machine (what the go and quest are...
I do mobile vr and android and am bit of an optimization nerd.... The one MAJOR mobile optimization is to use some sort of mesh combiner and atlaser on your levels.... Took me down from like 200 draw calls to like 25. It can also mesh combine skinned meshes (enemies) Its often...