That means I have fixed times, there is no flexibility if I wish to leave earlier or need to stay longer. If I do, I lose the initial charge plus a new 3 times more expensive ticket.
Ticket prices also varies depending on time, which means I have to leave really early and come back 13.5 hours later. And I'm exhausted.
1 out of 8 trains are cancelled or have severe delays, passengers are often rude or are being annoying in someway that makes it difficult to relax.
Trains are not the blessing you think they are.
Edit: Forgot to mention that I am lucky to live 10min away from the station. If I would live where I would like, it would mean 30-40min.