This question should be asked to every 3rd party who isn't in smash if your saying Nintendo characters are the only character that should be picked because they are easier to include
Yes popularity wasn't just everything, relationship between companies are also a reason of getting 3rd party for example Kojima is friend of sakurai and Megaman was in captian n with Nintendo characters sonic and pac-man were in crossover game with Mario, and Ryu was in every capcom crossover game
But they still let alphadream use Geno so nothing has changed
The characters that has no chance are
-non video game characters
-characters that didn't appear in Nintendo console
-a character that didn't make any important role from its game
So stop saying Geno is impossible because he isn't
1 game doesn't matter and he is still popular, most of the very popular Nintendo characters are already in smash
FF7 looks great what's the problem with this?
1)
got in because he was requested back in Melee by a very close friend to Sakurai but he's still a
gaming icon.
2)
was chosen at the earliest parts of Brawl's development, before cross-overs with Mario were established, becuase he was a
gaming icon, one of the single most requested character internationally, and Mario's old rival from the first ages of Console Wars.
3)
was chosen because he's a
gaming icon who for gods sake has the term "Megaman-styled respawning enemies," and was one of the single most requested characters internationally.
4)
is a
gaming icon who made a few cameos in some Mario titles. But he's arguably the single biggest gaming icon and the only character that could give
a run for his money for being recognized. Miyamoto shoved for his inclusion back in Brawl but it wasn't done then.
5)
is a
gaming icon from THE arcade fighter series that defined the genre and some of the earliest cases of head-to-head competition for gaming. SF2 has 3 releases that make marks in the top 20 for SNES sales period, 2 make up the top 7 and one is #4 only being Super Mario World, Donkey Kong Country, and Super Mario Kart and had a recent release on 3DS with SF4. While not requested, he was part of a company already in legally for Smash 4. (SMRPG was #28, just to note).
Geno's popularity has decreased, significantly.
Square Enix has become MORE reserved about having assets used since Superstar Saga.
Geno HASN'T been seen since that cameo over a decade ago.
When Square Enix made Mario Spinoffs, they put in Final Fantasy and Dragon Quest character but not Geno.
That is what has changed between Brawl and now, and Sakurai's affirmation about 3rd Parties having to be icons is still the biggest wall for Geno. No matter what argument you want to construe, he is not an icon and does not have the popularity on level that got the two icons chosen with popularity cited as reasoning for why they are in.
Impossible? No. But his now middling support is the only real point in his favor.