I don't believe it.
This of course might well be a hoax like the Enri Suzuki hoax, but my god if British government officials see this they'll be everywhere! We already have people searching your bags and pockets to go into the cinema in the UK (I no longer go) . How long before we have guards outside park gates which search your stuff for fold up chairs?
What next charging us for oxygen? I bet the British government is spooging at this proposal. Won't work in China though as people know how to squat