Mozilla wasted most of its money on crappy features no one wanted. They should not be subsidized by anyone.
They are focusing on things that are nothing to do with their core product, and have been acting so for a long time.
Mozilla is deeply unhealthy, and has been slowly collapsing for more than a decade at this point. I believe that the significant majority of its staff are doing things of no or negative value to Firefox.
I suspect that ten developers not beholden to Mozilla but with a mandate to make a good browser would be better custodians of Firefox. If you raised the budget to forty, I’m all but certain of it.