Brendan Eich has a helpful chart of Compensation of Highest paid executive at Mozilla vs Firefox market share over time.
https://twitter.com/BrendanEich/status/1217512049716035584/p...
replies(8):
https://twitter.com/BrendanEich/status/1217512049716035584/p...
tl;dr he was fired for having conservative beliefs, and nobody in the valley would touch him. So he went a founded Brave instead.
This is important because it is a clear delineation between "privately disagreeing but allowing individuals their freedom" and "actively campaigning to take away rights from Mozilla employees and users".