Man placed on sex offenders register for sex with bike

Fee says:

The Daily Telegraph reports on a bizarre case in which a man staying at a hostel was surprised by workers with a master key, having sex with a bicycle. He has been placed on the sex offenders register, despite apparently indulging in his practices in private with an inanimate object. I am wondering how this is different from using, say, a vibrator or blow-up doll? Do people in hostels have no right to privacy?

The real killer paragraph is the last one - apparently someone was jailed in 1993 for having sex with the pavement - or sidewalk in US English.