Brevity would have worked, too.

Dear Mr. Weissenberger: A simple "Wow, you're right and I was wrong, mea culpa." would have been sufficient.

P.S. Apparently, Mr. Weissenberger's blog does not have a comments section because we here at CC HQ sometimes use intemperate language. I am CC, the great and powerful. You cannot escape my influence. Am I awesome or what?