Your analogy is off, because (for example) the OP specifically said that they didn’t want the money to be spent on other things Mozilla does even if those thing

Your analogy is off, because (for example) the OP specifically said that they didn’t want the money to be spent on other things Mozilla does even if those things generate more money for Firefox in the end. That’s the analogy for spending the money on rent or advertising, or building a ball pit (be it called Pocket or VPN) in order to bring in more users.