[whatshisface]

That sounds kind of like a caveman arguing that there will never be a practical temperature higher than their campfire, because anything hotter would burn the meat.

[TheOtherHobbes]

But... math! Which can't be wrong, because obviously we already know all the math there is to know. QED.

Carroll says strange things sometimes. Epistemology doesn't appear to be his strong suit.

[ncmncm]

It's all win-win, for him. If we fail to discover anything, he's right. If we find something, "nobody could have ever predicted that!".