Well it’ll accelerate the withdrawal of his companies. And likely other companies that support SpaceX or his other companies. Like parts manufacturers, contracted Tradesmen etc.

There’s no real logical reason for the Democrats to undertake this move beyond simply being petty. As it ultimately doesn’t affect the election. It affects Elon and his company SpaceX. Though given how much they’ve been working on his facilities in Texas. It’s probably a temporary inconvenience to his schedule and predictions at best.