Defense technology is not commodities sold by dozens of countries across the world.
Apples and oranges.
Of course it is. SIPRI has identified 60 countries as exporters of major weapons in 2010–14. And what exactly do numbers have to do with us preventing private companies from selling arms and technology to foreign countries?
Apples and oranges.
Where do "conservative principles" come into play? Who decides what controls should be placed on private businesses and who they can sell their products to? We have laws governing the sale of tobacco and alcohol. We have laws on the sale of pornography. You sound more like a libertarian than a conservative.