Sorry, I had a different understanding ofWhat? I think you misunderstand mate... The HMD ALWAYS controls the camera as with every other VR implementation going (that is kinda the point of a VR HMD), including Elite Dangerous at this very moment... No one has mentioned anything about the mouse or any other control method controlling the camera in VR outside of rotation...which almost every VR title with locomotion does, be it smooth or stepped rotation.
VR players can play a title in VR exactly the same way as a 2D player would, i.e. with a game pad or keyboard / mouse controls - there a number of VR games which work just like that.
In a shooter, do you think VR players are in a disadvantage regarding aiming and general movement?Yeah, I've played some. Works fine, the 2D players are non the wiser. I've also played along side 2D players in Minecraft, Vox Machinae and Elite.