I'm pretty sure any CEO will try squeeze as much money out of their company whether they are doing well or not. That's irrelevant.

I actually talked to a (small) CEO last week he said all CEO's either do it for ego or for money. That's all it is to them.

But that's not really the point you are making. The board chooses the rules of the game and its up to the CEO to win it, that's their job. In this case the board wasn't rewarding market share as that didn't interest them, they were rewarding other metrics which Mozilla improved on. I don't know anything about this company other than its my desktop browser but here is an article I just found

https://lunduke.locals.com/post/5053290/mozilla-2023-annual-report-ceo-pay-skyrockets-while-firefox-marketshare-nosedives