Shopify did this - it’s frightening when you see the numbers across your entire org

That feels like it might have perverse incentives if it were formally tracked. On the other hand, as a low level grunt, I would enjoy having some quantitative metrics about the topic. Who acts like this is a game trying to get the high score?

Depending on how it was implemented, might also be possible to unblind people’s salary. A big no-no for a big corporation where there might be laughable pay disparity.