Even if you believe that unions are uniformly a bad thing, this instance is a case of abusing the law to reward friends of the administration. SpaceX is not a mail carrier and the law was not intended to apply to it in this way. It's clear that Musk wants help with his union problem, and this is the solution.
> this instance is a case of abusing the law to reward friends of the administration
I don't think this is an interesting take for anyone, but this reminds me of how the nineteenth century American political system was called the spoils system, and this seems like a twenty first century echo of that.
That is a completely apt comparison, especially in light of a recent SCOTUS decisions that allow the president to appoint loyalists to positions previously supposed to be non-partisan.
If it isn't, then voters should vote for the opposite policy--allowing the airlines to stop working whenever they want.