This kind of response is part of why hackers have such a difficult time in social groups. That it is upvoted 7 times really drives the point home. The article isn't at all about whale nomenclature. It's about an observation of the world around us and a discovery that may explain it.
Yet, this comment has nothing to do with that discovery and only "nitpicks" some superficial detail wholey irrelevant to the discussion. It throws everyone off track with something that doesn't matter -- at all.
It's a semantic debate and it detracts from the conversation. It's annoying and it's why "normals" don't like to talk with hackers.
For the record, some people believe dolphins are whales, and some don't: