But if these "superforecasters" can forecast just about anything accurately—which seems to be the claim—then they're not limited to any one claim, or even a sma

But if these "superforecasters" can forecast just about anything accurately—which seems to be the claim—then they're not limited to any one claim, or even a small subset of them. They can place bets on everything and expect to win most of the time. This doesn't pass the smell test.