apart from maybe San Quentin, the jokes like this about British prisons are very often tongue in cheek, as the scenario in the UK is vastly different to the scene in Jails in the USA, but it was a joke and i find it difficult to get too serious about it. (respect to Alan who is in a vastly different position to view this than me)
Besides, he'll probably have a few dozen SIM cards and couple packets of smokes up there ...
In all seriousness may his fuck up lead to better things - It did for Tony Adams.