Do you know how hard any of that is? So many people actually believe in the whole "if you have nothing to hide" and "it makes us safe" crap that does just the opposite of what they tell us it's supposed to be. How can we show they are using their emergency lights to get past traffic lights when they are trying to make it so we can't record them? In a nearby town, concerning the pig who tased an elderly man, the county did fire him, but another country over turned. Maybe things aren't bad in England, but here in America police corruption is alarming. Even in their training manuals/text books (which I have one) they are instructed to lie to us and to coerce us into cooperation. There is even a whole section in the book on "coerced cooperation" and how to get it from us, which revolves mostly around lying to people who are assumed to not know their rights, and to convince them that it is in their own good and interests to passively allow their Constitutional rights to be violated. To me, lying and coercion is not a part of "to serve and protect."
Also fighting the cops is a serious risk. They may never be able to arrest you for anything (but they will watch you like a hawk), but it is very likely you will be harassed by them. It's also "your" word against "their" word, and people in our society are so sickeningly obedient and submissive to authority that many wouldn't think of questioning the word of authority, let alone even entertaining the idea of standing up against them (if you ever want you stuff dumped, thrown, tossed, and scattered about the roadside all you have to do is stand up for yourself against a cop).
And resisting arrest is so easy to get charged with that even if someone is scared and uncooperative, they can be hit with resisting. Run before your arrested and make them actually do physical work? You resisted. Have a mouth while you're being arrested, then you are also resisting. Actually, unless the incident was recorded, who is to say what sort of resistance took place? Does someone with severe schizophrenia really resist arrest (here they do)? I do believe it was covered on this thread how some pigs poked people to get them to flinch, which becomes assault on a police officer. Sure some would say that doesn't go on, but then again, some departments and officers say that yes, they have a monthly quota on traffic tickets to write, and some say they don't (I think it depends on the state, county, and city if it happens or not).
Actually, I do wish they police would go away. They are good for nothing more than enforcing centralized power. They occasionally catch a real bad guy, but because the [American (I'm not sure about British)] "criminal justice system" is so corrupt and flawed itself that a rapist will be back on the streets much sooner than someone caught with an ounce of pot. Why shouldn't a community take care of itself and handle its own criminals? Actually, I think it might do society some good if some compassionate citizens were in charge of societies criminals, because then at least those who were actually put in a bad position or just made mistakes could be exposed to a friendly and supportive environment that is trying to help them better themselves than having them thrown into a system that is going to turn them into hardened and better criminals.