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Isnt this DLSS and Frame Gen in a nutshell?

DLSS - Render at low resolution, use an ML model to upscale

Frame Gen - Render a frame, use an ML model to generate the next frame. Render the next, gen the next....so on

(I think in practice, Frame Gen is more complicated due to fluctuation between FPS but that's another can of worms)

They're pretty much just upscaling and interpolating right? They can't fill in anything that's not actually there, like you could with a model that understands "Hey this tree is a actually just a PS2 era low poly model, but here's a picture of what it should look like, make it fit somehow"

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