Piping the tail of curve only works if you can prove that people progressively fall from the high ranks and get piped. I really doubt that companies raise the

Piping the tail of curve only works if you can prove that people progressively fall from the high ranks and get piped. I really doubt that companies raise the average with stacked ranking. The real reason tech companies use agrressive hiring (and firing that funds hiring) is to steal the most possible fresh IP from competitors (in a legal way).