Passenger trains can only operate efficiently in areas of extremely high population density. If I’m living somewhere serviced by trains, then everywhere I go, I’ll be in a crowd.
I’m enough of an introvert that this sounds like an extraordinarily uncomfortable proposition. I’d need an exorbitant financial benefit to even consider it, and that’s not going to happen. Instead, I’m expected to pay a very high premium for the “privilege” of being miserable everywhere I go.