I agree. Notice also that he didnt have the cajones to leave his email address. I would love for him to say something like that to my face.
My family is almost 100% Scot-Irish (my family was planted in Ireland to get rid of the Catholics...sorry Bobby!), but even if I weren't I would still want to wear a kilt.
This guy is a punk like you said and posting on that guestbook in retaliation would only make a mess of that lady's art site...