Unexpected, unusual, yet plausible?
Well...I actually think
Geno might have a better shot now than he's been getting credit for. He was never going to be the first Square-Enix character in Smash; that was always going to be someone from Final Fantasy. But with Cloud opening the door, and since we know thanks to Ryu that third party companies can double up on characters if there're compelling enough reasons to, the option is on the table now. And since we
also learned a couple years ago that Geno actually did get a look for Brawl to some extent, and that Sakurai seems to like him as a character, maybe the stars might align for this rumored Switch version.
His lack of relevance would be a huge issue normally, but guest fighters seem to follow different guidelines. Rather than having the spotlight on them lately, it seems to be more about how iconic they are. Would Geno's status as a breakout character from a cult classic be enough to measure up to that, now that Nintendo and Square-Enix are working closely together again in ways they didn't for over 15 years? Who knows, maybe this is one wish that may be granted after all.
I even have an idea for how his trailer could play out, but that's a different story...
I think Minecraft Steve would create somewhat of a "wtf"-feel to me at least, yeah he's from a huge and widely known/praised game, but still. He's non-Nintendo as well so not really in the same place as other options.
Honestly...in the long run, I wouldn't rule him out. I've seen Steve get a lot of crap for being the new guy on the block and being from a game whose biggest demographic is a few years younger than a lot of Smashers, but with how much more willing Microsoft has been to extend an olive branch to Nintendo, he may well be a long shot candidate. I wouldn't jump the gun and pencil Steve in right
now, but if things keep going the way they are and the next fully new Smash game (as opposed to the rumored "Smash 4.5") comes around in 2022 or whenever...who knows?