Where do all these people come from?

The 'nanny state' prevents people from driving cars without a license?

That prevents you from buying myriad substances without a note from the doctor?

That makes it illegal for you to buy a gun?

" become governed by the country in which they operate not the whims of foreign entities"

... is not going to work, at face value, because 'operation' involves the consumer and the producer, each of whom may be in different jurisdictions, and even if they were in the 'same nation' ... this is still a hard problem.

No easy answers, and there are legit concerns.