Commerce and trade should be free of government intervention and that is true today as it was in the days of Adam Smith.
As for Apple, a competitor is able to produce an iPad like device and produce it in the USA with all American workers.
And you would be free to buy that product or go with the Apple product.
Or we can have the government dictate to Apple where there products must be manufactured.
On paper, but it doesn’t work like that in real life. The Japanese were dumping stuff in the US during the ‘80s and we allowed them to get away with it. But trying to sell our stuff in Japan was nearly impossible.
Result: Sony, Panasonic, Toshiba, et al. are very much alive and well. RCA, Zenith, and Sylvania are long gone.