Excuse me, what?
What matchups does falco dominate among characters that matter?
Fox, Marth, Sheik, Puff, are all almost indisputably even.
Peach might be barely falco advantage. PP will tell you falco loses against peach.
Many top players, including Hugs, say even samus is even.
In the top 10, Falco really only beats falcon and ganon.
Marth:
loses to sheik
even (or slight advantage*) with falcon, fox, falco, ganon*, puff, peach*, samus*
I left ics off of both lists because I'm not sure where the general consensus lies with ics. i think they both beat ics? maybe marth is even?
Feel free to express any differences you feel, but I think most people would agree that these are the general consensus regarding the matchups. maybe only slight variations (like 55-45 instead of even, some ppl think falcon > marth) some people might feel but overall I think this is pretty close.
Anyway, like I said, if I came in here saying "Falco is top 2 in the game" everyone would nod in agreement. But when you look at his matchups, he doesn't really win many of the important mathcups and yet people think he's a powerhouse. Although I will give it to you that he doesn't have a losing matchup like sheik>marth