You nailed it.
It is the latter attitude that I find the best predictor of whether there's going to be endless frustration at a company.
Agreed. The MBA entitlement is pretty easy to spot and always toxic.
It's better to compromise on technical details (Clojure vs. Python, Git vs. Hg) than on quality of people. If you find yourself making excuses for people because you want to believe, chances are your initial judgment (stay away) was the right one.