An unintentional consequence of banditry, it would seem. Imagine if the terrs started deliberately doing that to grazing land, though! Having said that, it would be simpler for them to just spread Foot and Mouth Disease.
Not to worrry, there was a mozzarella factory in Newcastle Emlyn, south-west Wales when I used to drive to Aberporth around 2002-4. If it still exists we could up production, export the revolting stuff to the I-ties. It would be a smart business opportunity and would take a number of loafing druids off the street.