I think this is exactly what you wanted to do, just point out somebody is wrong instead of offering a solution or some kind of educated guess. I read this post after FB posted and didn't agree but knew to stay in my place because hopefully one day when he is answering one of my post he would be right . I am willing to bet he is right 80% of the time to my 40% . So understand he is here to help you and not to point you in the wrong direction.