Firstly, because he is complaining about the increase in ticket prices in London.
If you are a Special Constable for the Met you get a travelcard worth some £290 or so a month. You have to work 16 hours a month to get it. £18 an hour is probably better than what you get as a leading political activist.
But much more importantly than this, it will mean that Sunny is becoming part of the \”Big Society\”, that thing which he so devoutly desires. You know, policing of the community by volunteers from the community? Community engagement, Power to the People and all that?
Go on Sunny, dare ya\’.