Paul Corfield wrote:

I think all of the "victims" were tourists but it made me consider just
how confusing our various ticketing options are to them.

Probably a good proportion of the tourists from outside of Europe
probably never even use public transport (except planes & taxis) back in
their home country on a regular basis.

--
Phil Richards, London, UK
3,600+ railway photos since 1980 at:
http://europeanrail.fotopic.net
http://britishrail.fotopic.net