Oh I'm not suggesting there's nothing anybody can do to avoid getting caught. Of course it's your responsibility to abide by the rules.
I'm just saying that in this day and age, the need for a paper ticket dispensed by a machine is crazy.
It is pretty mad that you have to choose between missing your train and paying a fine because there were too many human beings in front of you in a queue for a computer which prints out paper tickets. It's 2019....