You abolish them and then move that money/power into some other entity like social services until the power / money corrupt them.
Their knees are just as deadly, but I don't think taking away officers knees is a good next step after their guns
In addition good policing should be rewarded with significant bonuses.
Incentivizing good behavior will always Trump criticizing "bad" (often never defined) behavior.
The probability of the local police being used against your city is so low, that the benefits are deemed to outweigh the risks. On the other hand, imagine software that lets you spy on all your employees' personal opinions, being sold as a way to "help strengthen culture-fit". That is something where the negatives may vastly outweigh the positives.
Second off, you're totally right. Abolish the police.