Quote Originally Posted by IowaSkinsFan
I think the question more is...
1. Should you assume that when you are in a very grey situation where it is almost impossible to accurately calculate EV that we should fold most of the time (I'd like to say everytime?)
2. When you are in a very grey situation where it is almost impossible to accurately calculate EV, should you calculate EV to the best of your ability and act accordingly, even if you very vaguely make an educated guess that raising/calling is more +EV then folding.

I think two is correct.
I'm going to quote myself, because i feel like our arguements are going away from the actual point.