Antagonizing a cop just to be a dick will probably result in those minor charges he would have ignored if you were nice, getting written up with a smile on his face. That's 100% your fault in that case.
That it may be difficult for a court to unambiguously distinguish this abuse of power from legitimate application of discretion doesn't mean that it is legitimate.
We have to look at the worst-case outcomes and make our safeguards against them; anything else is inviting disaster.
> ruining somebody's life as an abuse of power by cops--especially since they are given carte blanche to do so.
The mandate of law enforcement across the USA is to freely destroy peoples lives? Interesting...
Yes, I recall the NSA and other government agencies having such self-policing groups.
Tell me, do you really in your heart of hearts think a corrupt organization (say a police dept in a specific place.. if pressed for an example, say Maricopa County in Arizona?) has a functioning IA group?
The federal government has an IA group too. Many of them. I'm sure that if Snowden had raised his concerns with them, they would have gladly worked with him to solve those problems.......
That all said, going back to the very first interaction--you and the cop--we see that it becomes purely a decision on the cop's part whether or not you are going to be sent down into the machine.
Justice should not be so arbitrary, but here in the US it oftentimes is; don't pretend otherwise.
EDIT:
As for safeguards...the state can deprive you of years of freedom and set you free afterwards with an "oops". That's bullshit, even if the safeguards finally kick in. And if you end up with "resisting arrest" or just antagonizing the system or embarassing a DA, those safeguards seem to magically fail.
That "best" is pretty damn shit.