My wife thinks we should 'form a posse'...

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I agree, most (another generalization) people who have problems with the police are probably doing something they shouldn't be and need to blame someone else for their poor decision making.
I also agree that a fair number of people become cops 'to demand respect' that would otherwise be unearned... so they end up being total dicks and abusing their positions.
I do think it is a pretty thankless occupation where after a time the bad do outweigh the good and sours even cops who originally may have started for the right reasons but get sick of getting 'beat up'... whether it be in court, online, or just in general. Same goes for a lot of teachers.
I know that when I've had to deal with police and wasn't happy about the outcome it is because technically shouldn't have been doing what it was I was doing to get myself in trouble in the first place... I gambled and lost.
I have had more good interactions with police than bad, even if I was maybe doing something a little out of line.
This said, I still roll the dice pretty often... sometimes I lose. I kind of live by my own rules... right and wrong... does not necissarily follow the same lines as legal and illegal.
I have never been 'helped' by the police with anything. Stolen property is about the only 'help' I've ever needed and they were pretty useless in this reguard but... they've got bigger problems to deal with. Although with 5 minutes of police work they could have probably solved the problem and saved me a lot of headache. On the flipside that 5 minutes of police work would probably end up being 10 hours of paperwork and courttime. What ever... I learned my lesson, shouldn't have got the stuff stolen in the first place.