It's one thing to take a car apart to see how it's built but quite another matter to use that to replicate that vehicle with efficient production. He gave them the whole package on a plate.
Do you really believe that China has the world monopoly on rare earth?
https://www.statista.com/chart/18278/global-rare-earth-production/
https://www.theverge.com/2019/5/23/18637071/rare-earth-china-production-america-demand-trade-war-tariffs
