I agree with and like most of your suggestions for dating behavior, though like at least two other respondents, I think it is a rather low bar and “this must be said”?
I do wonder, if someone is such a great dater, why are they still dating? Or do they have high standards of behavior comparable to their own for who they would like to be in a relationship with and that pool is small? In which case, do they not have a good early filter? Something doesn’t add up?