I hear you...but visit an airport some time and you’ll see that people that don’t fly (for whatever reasons) are a very small minority.
As it is, there are other options short of this train, particularly for such a short distance - where it will likely be quicker for most people to drive, given the overhead of dealing with a train that neither picks them up where they live nor takes them where they’re going.
“As it is, there are other options short of this train”
Yes, but none of those offers the opportunity to revel in such intensely sumptuous virtue signaling as pimping for high-speed rail.