This always gets brought up, but if they do that their search revenue goes down. They're locked into competing over the mass market with Chrome, because that's where the money comes from.

How many power users use the default search engine in Firefox and willingly click on Google ads? I think it's safe to say it's a tiny fraction compared to the average user.

How many power users would be willing to fund a specialist browser out of their own pockets? That's a good question, but I don't think we'll have a scenario to find out any time soon.