Diversifying their revenue with equally-hostile sources is not really solving the problem, not to mention that if Mozilla needs money, maybe better management of their existing money would be a good start.
What other sources of money exist? Look around you, years of lax anti-trust enforcement has left a wasteland for any tech company that's not funded by Saudi Oil money (YC / Softbank / Venture Capital generally) or a top N tech company like Google / Facebook / Apple / Microsoft. And the situation outside of tech is way worse.
The gains in the average 401k are primarily due to the 40% of it that is Tesla / Facebook / Apple / Amazon / Alphabet.
Microsoft (Bing) has their own browser so why would they bother with Firefox, same for Apple. Yahoo is dead. Facebook is evil. Google probably only does it for antitrust reasons.
In the good old days there was the concept of making a product and getting your customers to pay for it.
I believe there's enough value in a user-agent in a world where browsers are increasingly user-hostile. Sell a browser with out-of-the-box security & privacy features such as ad blocking (with officially-maintained & reviewed filter lists), spyware protection and some enterprise-friendly features that are best implemented in the browser (TLS interception, DLP, etc) instead of shitty middleboxes.
The gains in the average 401k are primarily due to the 40% of it that is Tesla / Facebook / Apple / Amazon / Alphabet.
Microsoft (Bing) has their own browser so why would they bother with Firefox, same for Apple. Yahoo is dead. Facebook is evil. Google probably only does it for antitrust reasons.