Mr Hellewell, who describes himself on his Twitter profile as a personal trainer from Wakefield, used the hashtag #rapetruck in some of his tweets about the design.
I think excessive fuss is being made of it. It was meant clearly to make folk look twice not believing their eyes, and as such it is humorous enough, but hardly side splitting. I can agree it is in bad taste but I'm not going to call for a ban on all types of dark humour.