Want to understand the Bullet Train, just watch the movie THE PRODUCERS.
The project is not really meant to succeed. Oh, the money will be spent, but do to poor record keeping over the years, it will be impossible to determine for what or to whom.
And in the end, there really will not be anything to show for it.
The big question on FR is: Will Willie Green file an amicus brief?
Laws and economics are irrelevant. Your Democrat masters want a choo choo train so they shall have one, no matter what it costs you.