They always win, unless they don't. History is littered with examples of the freer standard losing to the more proprietary standard, with plenty of examples going the other way, too.
Openness is an advantage in some cases, but tight control can be an advantage in some other cases.
I'm surprised to be learning this, but I've never tried to use a non-Apple HiDPI display with my Macs. Weird that it works so well on the HiDPI built-in displays and their external displays, but won't bother to make it work right with non-Apple displays.