Thx & sorry 
The article is almost certainly made up, so I will assume that. Interesting theory, but I believe you have it backwards, at least in terms of notability. The conflicts between an epic hero and their nemesis came first, and are considerably more discussed in literature, so the essay should be written to explain and show that bosses are a similar plot device, etc, as the epic conflicts, not the other way around. 
Finally, in the event that the article is made up, such is not suitable for inclusion on WP. That is WP's loss, if you ask me, and you may, but no one at WP will ask me, and that's the point. It is only one person's opinion. Many people's opinion is still only opinion, but to play devil's advocate somewhat, it gets onto WP because it is a large enough phenomenon to mean something.