At least on the Quest you can cheat a little with enough playspace and jump on the train and ride along for a while. At some point you can get out again at the other end and when you get out at a place not intended for that the game crashed. Very funny! +1 :-D
Why fix? This could also become a feature, I thought it was actually quite nice to ride it. Jump up and get off at the next station. If you're too slow, you get through an energy barrier and get disassembled into your atoms. The train could also go round in circles and you look at the current level (sightseeing).