Just because Walsall drew Chelsea, it doesn't mean that if we had beaten them the outcome of the draw would have been Brighton vs Chelsea. Surely it would have been an entirely different set of circumstances, a different draw ... it will probably take an expert mathematician to answer this one.
It is a Mickey Mouse competition. Very few teams put out their strongest teams so it's little more than a cup competition for the second string. Does that make it interesting? Not in my opinion.