In article , Richard J.
writes

I don't think you're living in the real world. Consider this: I'm waiting
on Farringdon station for a Met train home after a hard day at work. It's
cold and snowing. I have a valid ticket which has opened the barrier to
let me get to the platform. Suddenly station staff tell me to leave the
station without a proper explanation. Are you seriously suggesting I
should meekly trudge along the platform, up the stairs and into the street
before questioning this?

Yes. You're on private property. If you are asked to leave then you
leave.
--
Andrew
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