Linking to an 81 page document isn’t helpful. What specifically in there are you referring to?

No it doesn’t. It allows you to run a game at a higher resolution for no reason at all

Other than the reasons like I said - running it at higher settings while maintaining a playable framerate. The point is you don’t have to lower settings as much with DLSS.

You fundamentally don’t understand what it is and what it allows you to do.