I don’t know about “destruction,” but it’s pretty much accepted that China is losing its competitive position to Malaysia, Cambodia and Vietnam as a place with low manufacturing costs.
As Japan lost its position to China, and Malaysia, Cambodia and Vietnam will to India, eventually.
We don't want to race to the bottom for labor-intensive jobs, because that's a race we can't win. We just need the government off our backs, and we'll compete with the rest of the world, just fine.
race to the bottom
U.S. Exports to Malaysia $13B
U.S. Imports from Malaysia $27B
China dwarfed imports from Malaysia last year. And our trade deficit with Malaysia is much better at 2:1 instead of 4:1. I don't think they are a serious threat to China for at least 20 years.