- 100% of 78 fighters come from japanese licenses already released on Nintendo. According to Kamiya Itsuno (Devil May Cray boss), this tradition can't be broken. Even if it can be, it is in favor of Erdrick.
- Except Byaonetta, the ballot choice, all the third-party and DLC Fighters come from licenses born before the mid-1990s with at least 20 different games. Of course, there are only a few characters that conform to this tradition, which means it will certainly be broken. Still, it is in favor of Erdrick.
- Gamplay is very important, but it can't be represented in this table.
- Prior to 4, 100% of the playable series represented in Smash had never been cut
- Prior to Ultimate, 100% of the bosses in the game had been Nintendo characters
- Prior to Simon/Richter, 100% of the third-parties had been unique characters
- Prior to Greninja, 100% of the Pokemon reps had not been solo starter Pokemon
- Prior to Diddy Kong, 100% of the playable characters had been created in Japan
- Prior to Ultimate, 100% of the games had characters officially unrevealed upon release
- Prior to Ultimate, 0% of the characters had been clones of clones
- Prior to Cloud, 100% of DLC had been from existing companies in the series
- Prior to Wario, 0% of originally starting characters were later made unlockables
- Prior to Ken/Incineroar, 100% of non-E3 reveal trailers had been series-specific
- Prior to Ryu/Cloud, 100% of third-parties had close ties with Nintendo/Sakurai
- Prior to Shovel Knight, 0% of characters on the battlefield were from a western IP, or indie
Plus what Megadoomer said.
I could keep going, but playing the statistic game won't help your argument.