Okay, I'd be interested to hear what you think is wrong with this, because I'm pretty sure it's more or less correct.
Some sources for you to help you understand these concepts a bit better:
What DLSS is and how it works as a starter: https://en.wikipedia.org/wiki/Deep_Learning_Super_Sampling
Issues with modern "optimization", including DLSS: https://www.youtube.com/watch?v=lJu_DgCHfx4
TAA comparisons (yes, biased, but accurate): https://old.reddit.com/r/FuckTAA/comments/1e7ozv0/rfucktaa_resource/