Firefox has had poor stewardship for quite a few years now with an uncertain future. Even moreso - uBlock Origin doesn't block the modern equivalent of pop-up

Firefox has had poor stewardship for quite a few years now with an uncertain future. Even moreso - uBlock Origin doesn't block the modern equivalent of pop-up ads unless you manually block elements. Even then - half the time the block isn't even saved and needs to be redone every page visit.