He’s asked all sorts of people to do all sorts of terrible things, and though some stood in his way, usually tendering their resignation in doing so, I think that’s reason enough to take it very seriously. There are supporters of his who absolutely seriously suggest instating him as president permanently, and with control of every branch of government, there’s opportunity to do so.
It’s quite useful in the one part of the country where the service is good: the Northeast Corridor. It makes traveling by plane downright stupid in a lot of cases. If only more of country’s rail were even that good, which isn’t even a high bar to clear.