My comment was of course from the perspective of the game developer. For PC/Windows games it has always been the case that you need the required HW to play the

My comment was of course from the perspective of the game developer. For PC/Windows games it has always been the case that you need the required HW to play the game in a "satisfying" performance. A lot of RT features makes game development faster (or more efficient) so you won't be able to play the game without them.