> are by far the worst to work with, and are so obvious to spot.

So? It gets them hired and at better rates than those who accurately estimate the size of the projects to boot.

Companies need to stop rewarding irrational behavior, but right now lack the right feedback loops including investors willing to "Venture" capital into a losing business, passive + TARP-like investing driving asset prices up despite inherent risks and bosses who care more about politics/appearances than facts.