Wow, you are delusional. This isn't to say cops don't have big problems. They have major oversight problems but to suggest even though its not unfair to say some cops are sadistic but to imply they are serial murderers who will for funnies kick in a random ass door to shoot and kill everyone inside is a bit too absurd. They would at the very least need possible deniability since it will be discovered in discovery of the case.
Edit: The logical answer is the cops are given the incorrect address, its a game of literal telephones usually involving high intensity situations where people may not be easily understood or have the time to talk. If you ever worked for a call center, you would know call quality can be fucking garbage even at the best of times.