Earlier quoted context omitted.
Most people see this, and yet the reaction of many is to be deeply, passionately outraged that two people could ever be recognized or compensated differently.
The problem here is that once you have a metric for outsized compensation you make it 10x easier for a cheater to snatch it up merely by turning it into a target. (Lines of code, commits, etc.) What's worse is that your metric is as likely to be out of sync as code comments. If you're lucky you can notice that a) a new "10x" is actually adding value in a way you never thought to measure, and b) you already spent that…
But when a system does bother with individual differences in contribution, inequality is seen as necessarily unjust. I don’t see how you can live through a group project and believe that. Some people contributing much more than others or being much more competent than others is eminently plausible! That’s how most things go!