Trump's message to Upstate New Yorkers: Leave. AP Donald Trump won the presidency in part on the promise of reviving the Rust Belt, ending job loss and population stagnation, and bringing back the halcyon days of meaningful factory work.

But if that doesn’t work, the president conceded in an interview with the Wall Street Journal on Tuesday, you should probably just move:

With that, Trump appeared to acknowledge—to the chagrin of whoever penned his inevitably ignored talking points—what most economists believe about migration and job growth, but that his campaign was premised on denying: It’s easier to move people to jobs than to move jobs to people. For politicians in Upstate New York, including some Republicans who have supported the president, it was a disheartening comment to read. Even the president who promised to resurrect American manufacturing had given up on them, not to mention his own quest to implement or advance any kind of national policy to back his “Made in America” campaign.

The occasion was an otherwise celebratory announcement that Foxconn, the Taiwan-based manufacturer that builds iPhones and other electronics, would be (maybe) building a massive plant in Southeastern Wisconsin, between Milwaukee and Chicago. Wisconsin beat out New York with an offer of subsidies that ranks among the largest in U.S. history—$3 billion for 13,000 jobs on the high end ($231,000 per job) or something closer to $2 billion for 3,000 jobs on the low end ($666,000 per job).

Wisconsin claims it’s the largest “corporate attraction project” in U.S. history, measured by jobs. Gov. Scott Walker said the development would be called “Wisconn Valley”—the Silicon Valley of Wisconsin. (And an extra “n” for the “conn” in Foxconn.)

Trump may have felt free to lob an insult at the one depressed Rust Belt area that had responded enthusiastically to his campaign trail talk but doesn’t sit in a politically competitive state like Pennsylvania, Ohio, Michigan, or Wisconsin. In 2016, he visited Syracuse and other hard-hit upstate cities, promising the return of factory work. He called the area a “ghost town,” but claimed he could win the state on the backs of its voters, for whom, he told CNN, "I'm like the most popular person that has ever lived, virtually.”