To answer it precisely correct, I would have to know the context which the first sentence refers to ('...and is you have any doubt...'). But everything that comes after it, serves simply to illustrate a really silly situation. It deliberately has nothing to do with the context, with the intention to emphasize a point of view/opinion, while giving the text a certain humorous content. It's a common writing technique.
The previous context probably has something to do with pointing out the silliness of some situation or behavior, right?