No, they're Quixotically trying to balance Amtrak's finances, which always has been bad. If Amtrak was an airline it would have declared bankruptcy over and over and over again through its history.
This sounds like cyclical political pressure brought about when anti-train politicians are elected. It's virtue signaling. As for the underlying problem: imagine if interstate highways and airports were subjected to local property taxes the way rail infrastructure is.... conversely, imagine if the government built out high-speed rail infrastructure as aggressively as it did high-speed auto and air infrastructure....