Earlier quoted context omitted.
Valve "stack ranking" is for bonuses only. In other words, an error that puts you toward the bottom of the stack reduces your payout from a pool of money you were never promised and to which you are not entitled. You get another chance next year to excel and come out on top. Over time, the errors should smooth out. Microsoft-style stack ranking, on the other hand, completely fucks up your career in the company, even…
You get another chance next year to excel and come out on top. A year is a long time to be passed by for additional compensation. Our technostartup environment makes a year feel even longer since the rate of change and adoption of new products is accelerating. How do companies justify holding paltry bonus parties when teenagers are selling companies for $30 million or raising valuations at $4 billion for things that…
That would be the more rare case of an employee getting screwed (delivering massive value, underpaid). Much more common is an employee who's screwed by being given inappropriate work, few or no opportunities to advance, but then compensated accurately (this might mean getting laid off) for the value delivered (with no allowance made for the error being in that person's work allocation).
No evaluation process is perfect, but a system where being unlucky means you live on your salary for a year is better than one where being unlucky fucks up your career, possibly beyond that job if you get fired abruptly with no severance. Microsoft-style stack-ranking is the latter.