I just love it when someone makes fun of Mormons in a capable, knowledgeable way:
The way the missionary talks to the lady is spot-on. Somebody involved in that ad campaign was or is a Mormon, and probably a returned missionary, too.
Here's another one I like:
They even got the font on the name tags right (at least, it looks just like the font used in the logo for The Church of Jesus Christ of Latter-day Saints).