[oz]

>the logical thing to ask first is "what do they understand that I don't understand?".

There's even a name for this: "Going from D to C - from disparagement to curiosity". I think I first heard it from @patio11.

[patio11]

Doesn't sound like the way I would phrase the thought, so I checked: http://www.kalzumeus.com/2012/09/17/ramit-sethi-and-patrick-... <-- Ramit said it here, although I suspect it might be older.

[ska]

It isn't the snappiest label, but it does capture the idea well.