People do vote with their wallets, there are many websites that let you pay to remove ads. How is that not self-regulating? > That's how we got leaded gasoline

People do vote with their wallets, there are many websites that let you pay to remove ads. How is that not self-regulating? > That's how we got leaded gasoline for 60+ years. But lead wasn't known to be bad, once it was, an entire industry scrambled (successfully) to innovate to provide alternatives. I think this makes the opposite of your point lol