While a logical argument, not only is Ness not a sole representative (unless you're assuming that Lucas is getting cut), but being third party alone jeopardizes Snake's chances of inclusion.
And let me put this entire debacle to rest right here, right now: Ivysaur, Squirtle, and Snake are all goners. If there is anybody joining these three in the chopping block, it's Lucas. Yes, aesthetically, Lucas has more diversity than Falco. But based on how both characters controlled, Falco's few differences were more than enough to make him top tier while Fox--who he is a semi-clone of--is made to settle for mid-to-high tier, and below even Wolf in the rankings. Lucas's differences, on the other hand, made him much less reliable than Ness competitively. Add to that the fact that, similar to another semi-clone from Melee--Roy--not only is he much worse than his primary counterpart, but never had his game officially localized outside the state. At least with Falco, he was Fox's rival for god tier in Melee, and his superior and high tier in Brawl.
And before anybody brings up the comparison between Dr. Mario and Mario to prove a faulty argument, that there is by definition the exception rather than the rule. Even if Dr. Mario was god tier while Mario was worse than Pichu, there was no chance down under that Mario was going to be cut in favor of Dr. Mario in ANY Smash Bros. games. Funny thing is, Dr. Mario was the most useful of all the cut characters in Melee.
So, to bring this topic back on track and silence the boundless repetition, the day Falco is confirmed cut will be the day I eat all my potty-stained underwear. It's not happening. Period. Get over it, people!
Now, as for the whole, "well, Lucas was planned for Melee, but delays resulted in Ness' return" debacle, that was back when it was widely believed that Lucas was going to be localized worldwide. And had he been in Melee, chances are, that'd mean the end of Mother representation by the time Brawl came around. He was only included to promote Mother 3, which again, never made it outside Japan. And given the fact that the Mother series has ended; we are never getting another game in said series, well, you do the math.
And what does any of this debate have to do with the gematsu leak? Nothing, but I'll connect the dots simplistically; all this is even assuming we're losing another character alongside Snake, Ivysaur and Squirtle. Fact of the matter is, the only way physical evidence in-game is even going to pop up suggesting that point number 3 is wrong is if both Ness and Lucas get cut. And given the return of the Mother symbol on Sakurai's Miiverse page (see items), that's not going to happen. Any reasonable skeptic like myself can tell that the sentencing and the choice of veterans to mention in regards to cuts comes across as exceptionally safe, as it didn't matter if his assumption regarding Lucas is right, or if Ness gets the axe (or as an alternate scenario; they both return), he'd be left off the hook fairly easily.
to be cut in favor of 
