Getting away from other examples to the specific one I wanted you to address; not to nitpik; just to see if there is a connection to "community standards" [Hypothetical Sociopath speaking now] So okay, murder and thievery affect your life and property if they happen to you or yours. If I leave you alone, why should you care what I do to the guy on the next block?
You don't have to care. But you may be asked to sit on a jury.
That is a legitimate role of government to step in and see that such a thief/murderer is sentenced.
This is not a difficult concept. There is a clear victim during a robbery/murder. Not so much with a person dressing in their birthday suit.