point is though, in my view, that by the public at large watching these actions (daubing nelsons column, breaking things, smashing things up etc etc) and the police standing back and letting the world see it, is that joe public will begin to react against protestors - seeing their "protest" as mere opportunitistic mayhem and civil unrest with no real point other than to cause damage. this can be evidenced on many ab threads including this'un.
if the plods charged in on horses, or started firing bullets and using water cannons, the greater wider public would begin to have sympathy for the protesters, even if we thought they deserved a good hosing down.
just my view.