True. I'm not sure he was trying to write the best ad copy he could, but rather to make a few points along the way as he rewrote the original.
Actually a great example of the difference a simple rewrite in copy can be is in
this short video. Shows you how important words can be. It's about 5 minutes long and was a short film at Cannes I think. Definitely worth watching if you haven't seen it before.