The third question has an obvious answer, so I'm not sure I get your point. The first two are just saying "regulation is hard", and I agree. But it's possible

The third question has an obvious answer, so I'm not sure I get your point. The first two are just saying "regulation is hard", and I agree. But it's possible nonetheless, just like every other regulated industry. Recognize that all your questions could have been asked about, say, sulphate emission regulation in the 1970's. (Or CFC's in the 90's). And that worked out OK.