Oh, a protectionist article in the US media? It must be Wednesday.
I can't go too much into the objections without this turning into an economic and political rant.
Suffice it to say that Amazon went from zero manufacturing to making a reasonably successful electronic device in the span of a few years -- faster and better than many companies with years of experience in the field *cough* Sony *cough* MOTOROLA *cough*
I'd say his concerns that we are sabotaging our own ability to innovate because we're outsourcing manufacturing of certain electronics doesn't seem to be well-supported by the facts.