I can see we're not going to agree, so I'll just leave it at this:
Sakurai addressed Spring Man not being chosen because he knew it would surprise people. Even if they consider all ARMS characters to be the protagonists, they're not all equals. Spring Man and Misango are not on the same level, because one was clearly designed to be a generic posterboy for the series — someone who would represent the concept of ARMs better than every other character.
Personally, I'm dropping the "only mascots/protagonists" rule, especially now that people can argue stuff like, "Well, what if the developer of "insert franchise" sees EVERYONE as a protagonist?" I'm sure ARMS won't be the only case in Smash's lifetime where the blatant mascot isn't chosen and a lesser character gets in instead.
If somebody makes that point, then they're not using it properly because it wouldn't necessarily apply the same way as it does with ARMS. ARMS is a fighting game without a story, and the developers themselves made the statement.
Now, if somebody tries to say, "They wouldn't choose Rex as the character for XC2" I think we can all agree that that doesn't really work. I'm not even sure that that's my problem or something that shows that what we learned today is "false" when it's just someone misunderstanding the fact that each pick should be taken as a case by case basis. This isn't even a point against the "mascot and/or protagonist" concept, so I don't see why it's mentioned.
I just feel as though this point is being bastardized for the sake of it and taking out all additional context of ARMS. They weren't going to pick Misango
even though he's considered a protagonist. They picked Min Min because the fans love her and the devs love her. The director *of ARMS* sees the *ARMS characters* as entirely equal in terms of being a protagonist. Spring Man was already an Assist Trophy, so assuming those can be ruled out now Min-Min was the top choice.
Again, you can drop the rule, and I frankly don't give a **** if you do or don't. Just be aware that Sakurai and Yabuki literally said it themselves. Not to mention, you still don't refer to it properly. The rule was
never mascot and protagonist, it was "mascot and/or protagonist". It's a Monkey's Paw with ARMS, a strange outcome that still is correct under that umbrella.
But yeah, I'll agree to disagree here.