It was given as an example of speciation as result of selection. The point was to show that speciation can occur by the selection of specific traits, in this case mating habits, any other trait could have been chosen.
Wrong. The article was posted in response to the following Question by sirchtruth:
After the numerous times yous guys have shown me what evolution is, the reality still exist no one has ever seen an animal evolve into another species. It would be impossible to observe occording to evolutionist own arguments.
BeholdaPaleHorse posted the article and said:
Below is a discussion of observed speciation events for your review. I eagerly await a detailed critique.
So the article was posted to show observed evolution from one species to another (which it did not do).