

well, for one firefox is not a stripped down browser but one with conveniences like push notifications, safebrowsing and other things, while ungoogled chromium is a specialized browser built for those who don’t need all that. don’t forget also that chrome can’t be patched up on many fronts, ublock’s dev gorhill has written about them here
that being said, mozilla could make a first time setup page with an option for convenience and another with a menu for selecting which services do you want. but I wouldn’t hold my breath
considering region locks and region based licenses are still a thing, you’re probably more of a criminal in their eye than openai will ever be