(And before you say it, consumers can choose Android, where 99.9% of people use Chrome, but apparently that's okay because they "chose" it.)
WebKit is a second-class citizen on the web, and we can argue about why that is, but nobody can sincerely deny it. Apple's strategy has been dead in the water for over a decade. iOS lost.
Meanwhile we have people bitching and moaning and meanwhile, as a Firefox user, I go to Safari when I encounter a website that doesn't work in Firefox. Because at the end of the day, developers are forced to test in Safari, and that is a Good Thing. No developer is forced to test in Firefox.