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I don't envy anyone who's ridding toilet-class all the way.

At least they have a place to sit!

or a place to s^hit

- roomy (depending on the train model, the modern accessible ones are huge) - quiet - private - free - includes a private bathroom!

https://xkcd.com/1494/

Oh it's still absolutely a clever hack. It's social engineering rather than a software hack, and it's also fraud, but the official sticker is definitely an example of playing within a system and testing its limits.

It's not particularly admirable behavior, but it's not all that different in kind from using a whistle from a cereal box to make free phone calls.