Well, like in sports cups, a lot of it is in the draw.
CL uses metrics sourced from its perpetual running to declare who's who in the tournament. It protects the heavyweights from meeting eachother too soon and it protects lesser performant from being kicked out by heavyweights too early. It is applicable to the band game where you can replace league with a band and league placements with their best albums, but those metrics can only be sourced from external 'best of' lists, sales, and such, because we don't have enough seasons of GMAC to provide classification ourselves.
On the other hand, a more random approach is fun and rage all over the thread about petty things is also a part of that fun.