I think police departments need a lot more oversight, sensitivity training, and a bigger budget to make it happen.
But I don't think they are going to get it.
So police are going to continue getting a bad rep, whether they are following procedure or not, as the training isn't as good as it could be, nor the oversight if the department is going downhill as far as human rights.
As to my personal attitude towards police, I am apathetic. Some police officers are honest and have a lot of integrity, though I have never lived outside a moderately wealthy neighborhood (where the police are generally more relaxed).