That destroys someone’s shelter and potentially injures or kills them. Not to mention the mental grief losing your home causes people. That is not good for their well-being.

(Edit): Also, I’m not even saying it’s a good moral system. In fact I don’t think it’s possible to have an objective moral standard that isn’t majorly flawed or incomplete.

I’m saying definitionally we can measure morality objectively, not that it’s a good idea.