https://www.virginiabusiness.com/article/its-official-ford-plant-going-to-michigan/
He didn’t like that the factory was going to use some Chinese tech in their EV parts. So he lost his state 2,500 jobs.
If you read further into the links, some Republicans defended him because child slaves are used to mine cobalt (which I’m sure it at least somewhat correct), however, this plant will not use cobalt.