There's been content aware fill for a long time:
https://youtu.be/Ge9jsJZ3lA0?t=245
It's not the same backing tech but for practical purposes it's as good.
Current inpainting algorithm is good for removing wires or adding textures. The new nVidia technique should be able to synthesize new information not in the original image
About -10 years ago (at least that's about when a gimp script doing a version of this was put out, Smart Remove / Heal Selection -- https://www.youtube.com/watch?v=3h1gZJsjKxs -- I recall Adobe demoing similar stuff at various points though I suppose this is the first time someone's used a generative neural net to fill things in rather than just nearby pixels)
