Good question. I suppose it's because: A) I don't want to create yet another account and give my CC number to yet another entity who can lose it B) I guess I

Good question. I suppose it's because: A) I don't want to create yet another account and give my CC number to yet another entity who can lose it B) I guess I don't fully trust them to use the $$ for anything that I care about. Tying the revenue more directly to Firefox IMO would send a stronger signal that this is what matters.