Damn, I wish you could edit topics on this forum: SUBCLASSING DOESN'T MATTER.
There is some sort of UI triggering collider/raycaster attached to the VR headset, and it doesn't matter if you disable/move away hand1 and hand2, it's still there and triggers UI by head movement alone.
There is some sort of UI triggering collider/raycaster attached to the VR headset, and it doesn't matter if you disable/move away hand1 and hand2, it's still there and triggers UI by head movement alone.