Democrats need a new strategy for middle America. Pretending the coasts and middle America are the same or can be made the same is a failure.
It's hard not to read this election, and particularly the Republican victories in formerly manufacturing-heavy areas like the upper Midwest and Appalachia, as a repudiation of this deal. Many people aren't impressed by either the alleged economic or geopolitical benefits of globalization, and they're expressing that extreme discontent at the ballot box.
If social safety nets get removed, they'll be in a worst position.