That's pretty much the worst imaginable way to take what I said. What I meant to express is that something that complex means he could have been working on prob

That's pretty much the worst imaginable way to take what I said. What I meant to express is that something that complex means he could have been working on problems on the world scale. Equivalent accomplishments don't have equivalent usefulness. I don't think anyone would argue that the Mona Lisa is as globally useful as penicillin, though I'd happily argue that they're equivalent human accomplishments. Edit: And for the record, yeah, I should probably stop spending so much time on HN.