Even if there were a setting to opt out of everything it would be unacceptable. Might as well use Chromium if they are going to pull this shit. I'm just done with this, Mozilla deserves to fail.
> I subscribe to their relay service, so it pitches a couple bucks a month to them. I vote with my wallet.
I would love to vote with my wallet. I want to donate to Firefox directly. If they'd given me an option to donate and have the money go to Firefox and not Mozilla's other pet projects, I'd happily have set up a recurring monthly donation for it.