Another plausible future is AI reshuffling the economic hierarchy. In a technological civilization the pressure valve need not be political.
As an aside, you made me curious if Trump made this constituency materially better off. Here's what Claude thinks (tl;dr: it's a wash): https://claude.ai/share/36233694-3729-4758-b2e6-c2058791ab1a
Explosions are rarely productive. Populists are notorious for delivering lots of chaos and few results.
It's easier for everyone to just deal in the economic losers, but we didn't do that, and now they are burning the house down. This will not get them what they want, but they will continue doing it anyway.
Globalization was the test, AI is the final exam.