I think Occam's razor applies here. I don't think it's intentional, but this is the effect. I think what started off as a way of screening out completely incomp

I think Occam's razor applies here. I don't think it's intentional, but this is the effect. I think what started off as a way of screening out completely incompetent people just turned into this arms race to be more and more selective without considering the fundamentals of the selection process.