Cops are like every other profession there are god ones and bad ones.
I feel sorry that you have never had a good encounter with a police officer because you only had bad stories to tell.
People only tell the bad stories it seems, like the last powerwasher guy that did a bad job and their opinion is that all powerwashers must be hacks or drunks that can't hold a job,or pass a drug test and that's the story that they spread to everyone they know.I think there are a lot of good cops out there i know a lot of them,and I also know a lot of bad ones.One being the reason Im not a cop anymore.There is a saying in the business that nobody likes the cops until they need them, and we never know when we are going to need them.
With that being said I can assure you that when you are in need or your family is in danger and you call 911 for help they will come, even if your opinion of them is not a good one they come anyway because you need them.