Donations are a tiny fraction of Mozilla’s income. Firefox and related projects are their money earners for their actually charitable projects, pulling in at least half a billion or so a year.
Not saying that the CEO pay is adequate or something, but your take is literally ignoring the article you yourself quoted.
Coming from a completely legal tradition: Jury trials are scary. Jurors can’t be nailed to the cross for perversion of justice, there’s no accountability. Also any more serious cases are not tried by judges, but panels of judges, often including lay judges.