It's the companies who want to milk dry the American worker who cry wolf at the thought of having to pay Americans a decent wage. There are millions of people who have left the labor force because their wages have been undercut.
I think there is a significant pool of willing workers willing to work for the right wages --they may need some assistance in getting back to being productive workers, but I think industry owes them that after decades of neoliberal policies outsourcing and shipping jobs overseas.