Anyone passing comment on the activities of these 'operatives', should spend some time (as I have) watching them in action.
Also, you will see the disproportionate effect they have on their 'prey'
Until you have witnessed their appearance, activities and over-zealous methods, I do not believe that you can have a balanced opinion.
Therefore, on balance, having weighed up everything posted here, and annoying though he can often be...I come down on the side of.........
............ BORN TO RUN!