Again, Apple ceases to be much of a company at all if they go your route of being isolationist. It isn't even about the stock price: their revenue tanks, their ability to produce tanks, everything about the company is basically just decimated. You might as well say "I don't care if Apple exists or not". So blow Apple away and how does that help the future of American industry?

Juche doesn't work in North Korea, it isn't going to work in the USA.