Those second-order effects are easy to mitigate with sensible public policy. And it's not like we have to invent the solution from scratch — we've done it before, very effectively.
Today at the gas station on the outside of the pump and the store door.
I'll bet you didn't see any cartoon camels or doctors recomending a brand though, because even where tobacco ads are legal, many tobacco ads are no longer legal.
Whether you see ads, and what kind of ads you see is highly regulated. That's the whole point,
We clearly don't live in the same states.
I live in a different country since we don't have states here.
It will either push them out of business, or they'll find a way to screw the player to increase margin through even more deceptive products.
If the legal entity can't operate because of a tax on revenue than illegal offshore entities will gladly take their place and do.
The only solution really is sharia law, a complete ban and harsh punsihments for all operators and customers. I say this ironically but it actually is really the only solution, and even this doesnt work entirely.