Valve is in a very comfortable position. Steam will still be steam if VR implodes tomorrow, and for the opposite case, all they need to do is not getting left b

Valve is in a very comfortable position. Steam will still be steam if VR implodes tomorrow, and for the opposite case, all they need to do is not getting left behind. There is no way something other than an open platform (well, as open or closed as conventional steam) could help them keep that position.