On: I worked in Amazon HR and was disgusted at what I ...

[bellgrove]

I completely agree. Plus, part of Amazon's candidate evaluation is to consider whether they are (or clearly have potential to be) better than 50% of your peers, as part of the hiring bar. Between that and stack-ranking/forced-attrition, even previously high-performing employees can one day find themselves on the chopping block.

[kudokatz → bellgrove]

tl;dr: "You can't raise the bar if you can't pick the bar raisers. "

https://news.ycombinator.com/item?id=21729619#21732841