First Michael, your question applies to most sports and other activities as well. It comes under the heading of trivia which is also the fodder of almost every sports commentator extant. While it is unimportant to many, some of us just enjoy the added, if also useless, knowledge.
Most of the song research done here would be considered by most of the world population as completely wasted bullshit. You know a lot of useless stuff about the Marx Brothers. Stats are just another form of trivia.