That problem burdens the user with constantly checking whether the address bar has changed on every interaction they have with the site. Currently, browsers are

That problem burdens the user with constantly checking whether the address bar has changed on every interaction they have with the site. Currently, browsers are still trying to train users to check the address bar just once before putting their credentials into a site. Even for technically slanted users, checking the address bar on every interaction would be a bit too much to ask, I think.