That's true, but you miss the point, because it's not most important for it to be fun for commentators, but for viewers.
If the commentators are bored, then that passes onto the viewers, since they wont be speaking with much vigour and so on.
Also we get less commentators if it isn't interesting, because if it is boring why waste your free time?
Also we could do 2 torunies and winners of each play in super-championship final :P