It should be noted that he didn't create the hack, it's something that's been fairly well known. What he did was accomplish it manually, whereas all previous solutions automated it via virtualized controller inputs.

Yes. I did (try) to point that out. But the fact that he did it by hand was really cool.

absolutely, and if I recall, he did it his first live try.

It was definitely impressive but as a software person I'm more impressed by the ones who came up with the hack itself.