The article doesn’t take into account that 12 million manufacturing jobs were lost since 2001.
How many agricultural jobs were lost since 2001?
That’s the point of the article. Manufacturing job loss is happening inspire of ever increasing industrial output. Even if the fabled factories of old come back to the US they will return with considerably less US jobs.
Still wait for that sales tax on imports plan you think is salvation or is a 20% sales tax on durable goods all you got? Not to make it to sophisticated.