There's no problem just as long as things stay that way. Microsoft's PC gaming innovations of the last decade is nothing but half-assed attempts of trying to lock users into their own store front and milk them like they do on their Xbox platform. People are afraid that they'll eventually succeed, this is partially why their main competitors like Steam and GoG have made strides towards supporting Linux, as the day may come where Microsoft will more aggressively try to block out their competitors from their platform.