The Buffalo incident offers a vivid example of why police records should be considered unreliable. Where are the "good cops" among the 20 or so in the video who had the opportunity to speak up, but in practice chose to maintain the blue wall of silence?
Imgaine how hard it is for us to admit a mistake at work which brings the website down but here someone's life is at stake.
What happens if a cop makes a mistake and causes grave injury to someone. What would be his incentive to admit mistake and possibly spend rest of his life in prison.
Even if the older guy used language this could have been resolved without the need to escalate the conflict. Using violent force against somebody that does not seem to be posing a threat is a serious problem if your sole job is to keep peace.