The way MSFT used to do it per team was way too small a sample even if it was randomly distributed. But of course it isn't randomly distributed because you hop

The way MSFT used to do it per team was way too small a sample even if it was randomly distributed. But of course it isn't randomly distributed because you hope you recruitment process isn't just picking up random people from the street. So yeah, it makes no sense - it's just cargo cult business school science.