Our system isn't set up that way, so feel free to throw your vote away, but please don't convince others to do that. Some of us don't have the luxury of indulging in protest votes.
Money. Because they were striking in December right before the holidays, and people get mad about shipments and economic problems right before the holidays. Also, he’s Biden, not Bernie Sanders. From Reuters:
A rail strike could have frozen almost 30% of U.S. cargo shipments by weight, stoked already surging inflation, cost the American economy as much as $2 billion a day, and stranded millions of rail passengers.