I agree with this, but on macos they are not entirely tired. On iOS because of the way iOS gets performance (as far as I understand it to be the case) through t

I agree with this, but on macos they are not entirely tired. On iOS because of the way iOS gets performance (as far as I understand it to be the case) through the iOS shared cache, there really isn't a way to totally decouple safari from iOS. I guess you could allow an alternate newer safari, but the one that comes with the OS would have to be linked into the blob.