I think you're going about that on the wrong angle; not that unnecessary willful destruction of property is good. But if police are present they have no require

I think you're going about that on the wrong angle; not that unnecessary willful destruction of property is good. But if police are present they have no requirement to stop a crime [1]. [1]: https://gothamist.com/news/city-argues-nypd-had-no-special-duty-to-protect-subway-hero-from-madmans-rampage https://gothamist.com/news/city-argues-nypd-had-no-special-d...