I can build a super bioweapon that can kill millions and I don't trust the US military to use it responsibly.

The US military asks me to build the super bioweapon. I say no thanks, please ask someone else, but happy to keep selling you bioweapons I think is safe enough.

I get designated an evil unamerican supply chain risk that nobody in the US military may do business with even though I was still happy to sell my safer bioweapons.

That is the tl;dr