IMO you could cut the CEOs salary from 6 million to 300k and get a new CEO - and we probably wouldnt see any difference in Firefox results. Perhaps improvement even. Since the poorly paid CEO would try to demonstrate value - and this best is done by bringing back firefox market share.
The median annual wage in 2021 in the US was $45,760,
https://usafacts.org/data/topics/economy/jobs-and-income/job...
Just to put bit of perspective...
Current CEO earns 20 times more -> 6 million per year