My initial post #17 (why aren't they numbered on this new fangled layout ?) was presented in a very matter of fact way.
I take your point that the police can't fund investigation into every misdemeanor on our roads.
However, the 911 pulling in front of me and braking hard was very frightening and extremely dangerous. I had to brake so hard that my abs was activated !
It wasn't an accident for two reasons, I was sufficiently alert and responsive and the traffic following me were equally competent.
I think you make light of the situation I described ! Don't think you'd have the same outlook if it had happened to you !
Having the dashcam installed hasn't and won't change my driving attitude, in fact I forget it's there, it is there in case I need it.
It does have a bonus, since Mrs ledzep discovered that it records sound too, she is rather quiet in the car