There's always the risk that there are unknown unknowns.

People attach too much importance to intangibles like heart, desire and clutch hitting.

New ideas are sometimes found in the most granular details of a problem where few others bother to look.

A lot of things can't be modeled very well.

I don't think that somebody who is observing or predicting behavior should also be participating in the 'experiment.'

Racism is predictable. It's predicted by interaction or lack thereof with people unlike you, people of other races.

If you're keeping yourself in the bubble and only looking at your own data or only watching the TV that fits your agenda then it gets boring.