Which seems totally irrelevant given that we're talking specifically about Boeing failing to meet US regulations (and a bunch of international ones as well).

Selling a car without an airbag in a country that's decided you don't need airbags is the choice of the country. If you wanted this to be similar it'd be selling a car in a country that wants you to have airbags, but yours don't work. Which would be a company I'd avoid.