and ask him to call him in a nice polite manner befitting a shop owner (of any kind). All he is doing is showing his true colors here. The fact that you don't see that is disturbing in itself.
My opinion is not based on any past encounters or he said she said stuff. It is solely on his responses here. Just read his posts. Ignore the rest from everyone else. Ignore what "supposedly" happened to others. Just take his side of the story and believe it wholeheartedly. Is that still an indivdual you would drop your Z off with?