The only ones that have something to lose from this are the Americans. The Chinese have the entire world left to trade their goods with...
Perhaps a contracted economy will be the only result, and perhaps voters would know better next time. But if they don't after 4 more years its over and gone. Wish other countries had this escape route...
China does seem like it's preparing for that to happen, hence the One Belt. I am not sure if Europe and Asia-Pacific can absorb all those excess goods though, America is a very large customer.