So who should hire the "losers", then? The creative, ambitious, energetic people have a lot of leadership potential and can do great work if motivated properly

So who should hire the "losers", then? The creative, ambitious, energetic people have a lot of leadership potential and can do great work if motivated properly, but also fall down on the undignified grunt work that's at least half of what most companies need to have done (or think they need). If you're hiring for a company like Valve that expects people to work at a high creative level, then these interview questions are good, because you need to select the people who will do well in a high-autonomy environment. If you're just looking to get grunt work done without complaint, you're probably better off favoring a person with a bland personality who can get the job done. Much of the trouble that companies create for themselves is in hiring the most appealing people and then putting them on mediocre work.