The humorous insult, the offbeat title, and the image is the 'hook'. The message comes after the 'hook' gets the attention of the reader. Matt Bracken does the same thing, albeit differently. His 'hook' is well-written fiction, then comes the message.
It's a 'hook' that apparently has worked well. Many comments on this thread, many notices on Facebook.
I have my way. Enjoy the message within and discard the rest, or else just
You done good, Laz - this one is a definite home run. Looks like not everyone recognizes what a powerful weapon humor is - their loss.