Might want to check my updated post mate lol. They literally specify that they do not, in fact, do other things. I'm not the one guessing, you are. Do you work for Arrowhead?
Dlss is a hardware graphics layer and is not implemented more than calling an api.
As is almost everything in game development. DLSS is an ENGINE feature. It has to be implemented by the engine team. The people making art for the game aren't implementing DLSS or ray tracing lol.
More comfortable.
Cheaper.
Higher resolution.
No idiots hooting and hollering and shooting up the screen.
Pause.
Subtitles.
Gee, I wonder why.