(See also: college, job offers, consulting engagements, and -- took me decades to learn this -- dating.)
That said, I do think it's worth noting that the pleasant fiction of "it was the idea, not us" is patently false for YC.
A healthier (and more accurate) way to think of it would be to say that they're rejecting their perception of the team, rather than the team itself.
(See also: college, job offers, consulting engagements, and -- took me decades to learn this -- dating.)