A one-off solution like this is really the only type of solution we have in the face of a massive ad tech industry that largely piggybacks on top of, and insert

A one-off solution like this is really the only type of solution we have in the face of a massive ad tech industry that largely piggybacks on top of, and inserts itself into, foundational network and web protocols. Fixing the problem itself would likely require legislation and regulation to get ad tech companies (or the companies that use the ad tech) to pay attention to the data use.