Strawmanning
What is Gavin Clarke getting at with Dell and EMC? They're honorary members of Silicon Valley even if their headquarters are elsewhere. Why don't we make RAM and SSDs domestically anymore? We damn well should.
I don't mind paying import duty. It's arguably the least regressive, least intrusive, most enforceable form of taxation. As long as income/sales/VAT taxes are cut or eliminated to compensate.
As for Trump, I'll withhold judgement. He's a wildcard. He could like Nixon, like Carter... or like Reagan.