I so want to make a "Sisterhood of the Traveling Pants" comment here. But I won't
Oops, did I type that out loud?
What was quoted from the wiki wasn't the complete story. Back when the gold pants came out, scUM previously had destroyed any team it played for a long time (holding a 22-6-2 record against tOSU). They were deemed unstoppable against any opponent they played. Basically, saying they were human just like anyone else. Thus the tradition started.