The thing that most inclines me to believe it is that, by my reading of the article (which admittedly might be reading to much into it), only a subset of MLB pa

The thing that most inclines me to believe it is that, by my reading of the article (which admittedly might be reading to much into it), only a subset of MLB pages are using the ID. Hard to imagine why that would be the case if someone was simply copying code wholesale from the "victim" site.