True it probably won't affect sales, but...
I can gaurentee that there's no way that post was cleared from upstairs. If that was the case he's have been told to just stop posting, end of story. As for being upper management, not likely he sounds too stupid, plus that crowd doesn't get their hands dirty EVER. I've worked in advertising for 15 years now and deal with clients who are more often thatn not, Satan himself. The number one rule?
Under NO circumstances do you EVER insult the customer. He may have been dealing with a bunch of whiners but not even
George Broussard has been this insulting to the customers and he's almost as big an ass-hat as Derek Smart. A bunch of whiners or not, these are the people who ALLOW you to have a job, NEVER BITE THE HAND THAT FEEDS!!! It's the corner stone of business practice and there are no exceptions.