given that it's not automatic and it doesn't work on mobile or for people who have no experience in html, it doesn't work and it should not be even considered as a solution, because internet is not for tech-savy people and this discussion is about marketing and internet advertisement which is for all people.
so no, it doesn't work on a larger scale. it's like suggesting to hack MS Windows checks if provided licence key is valid in order to use OS. It works, but for narrow audience, and we should discuss about how to solve issue for all users.