That 'fire the bottom 10% rule' was true in the 80's and 90's and was pioneered by Jack Welsh at GE, and notably Microsoft did a similar thing with their 'stack

That 'fire the bottom 10% rule' was true in the 80's and 90's and was pioneered by Jack Welsh at GE, and notably Microsoft did a similar thing with their 'stack ranking' system. It's a lot less popular in management today because it breeds a divisive and political employee base that is more concerned about saving their own jobs than productively working towards the company's goals.