Agri Story Of the Decade

I'll give you the opening sentence and you can judge for yourself if you wish to read the rest of it. Here we go from (you immediately think surely that should be

"A man who was found pleasuring himself in a muckspreader at a Redruth farm has been sent to prison."

The only thing I find astonishing about that is that the muckspreader got off without even a caution.

What's so unusual about that?