Here is my feeling, there are just too many cartoons in all different types to do in a all out like this cut down to only a few.Sometime a bracket could be done of just cartoons in last 25 years. But then we would need people with experience in them to be the committee.
We tried our best.
What probably needs to be done is dividing them up in categories then have mini tournament of each, and the winners of each category moving on to the final championship, best of all cartoon.
Some forms being...
cartoons by decade, or generation. ie 80s, 90s, 00s. or 60s-70s, 80s-90s 00-20s etc. Each getting a bracket with the champion going to said championship.
Or genres etc things like kids, adult, Saturday, Cable, Network, comedy, classics, modern, Anime. etc.
Obviously this would be a huge tourney and take a lot more time, so I understand why not doing it too. But with a small limited field like this, you will have a lot of generational discrepancies and there will always be someone that thinks one of their favorites was left out.