It's absolutely a counterexample. The iPad is assembled in China, but its parts are from all over the world. Now it's also assembled in Brazil. The supply chain in China isn't critical to the iPad's assembly, just critical to the iPad's assembly at the current profit margins. Despite the hot air in the article, you could absolutely manufacture iPads in the US. Much like Brazil they would cost more, but that's not what the article was talking about, it said they can't be made anywhere else. That's bullshit, proven by Brazil.