Giving fans what they wanted...? Yes, now giving the fans what they wanted THE MOST? He didn't deliver there because he hates the Metroid series, the DK series and apparently the Mother series as well, not to mention Metal Gear and Ice Climbers, which ere straight up ERASED from the game.
Did you read the article? Ness is still in, something that the article suggests shouldn't be allowed since Earthbound literally has no future. Ice Climbers being cut wasn't intentional, and they're still present in the game along with the Polar Bear as trophies.
Additionally your only valid argument is with Metal Gear Solid, since Sakurai supposedly forgot about Snake for whatever petty reason. Which I can agree is completely unacceptable.
DK and Metroid have Smash Run enemies too (and uh, Dark Samus and Mother Brain with a fair amount of regular trophies for DK too). Don't act like the Wii U version isn't hiding any surprises for us either, we still haven't seen the new DK stage for that yet. And there's plenty of music for us to be waiting for as well.
If he really wanted to make them work, he would've made them work, but adding Dark Pit and Dr. Mario was obviously much more important than looking for ways to add veteran characters that have been on the game for the last two versions...he could've made them work, he just didn't care.
Before the end of the year? Yeah, sure. He put a deadline on himself to release both titles before 2015, there was no time to make them work before release. There's more than enough time to do that for DLC, where there is no time constraints.
Again, you're acting like the clones were planned from the beginning too. Lucina was going to be a costume, stated by Sakurai himself. Why wouldn't Dark Pit and Dr. Mario be the same? More time meant more time to make some quick and easy characters to buff the roster a little bit. It happened in Melee too. Nothing really new.
So now Sakurai throws insults at the real Smash fanbase who won't put up with his **** because he found it too hard to add characters people actually wanted? When talking about children, he should check out his own childish Kid Icarus bias, basically making 50% of this game's content come from Uprising, I would've preferred less Smash Run enemies if that meant there weren't as many Kid Icarus enemies...
Kid Icarus content is all over the place because models made specifically for the 3DS were already present, also mentioned by Sakurai. Reusing models is better than making new ones and adds more enemies into the mix. Even though a bias may exist, understand that it only makes sense since Sora had just finished Uprising before working on Smash. Big surprise, I know.
Oh, and clones aren't a free dessert, they're flies on top of a delicious steak, well, on this case, it's a pretty mediocre, sour-tasting, Ridley-KingK.Rool-Isaac-Mewtwo-less steak, so it wasn't even that good to begin with, the fanbase asked for a steak and Sakurai delivered hamburger meat without buns.
Assuming of course that clones take the same amount of time as original characters, right? During Melee, Sakurai said he the choice between making the six clones or adding in King Dedede. Do you expect the team to be able to add even one of those characters if they only made three clones, two of which have very small differences from the original characters (I mean Lucina's sword properties only change and Dark Pit's specials are slightly different, otherwise they're the same as Marth and Pit).
Much of your complaints aren't considering the constraints the team had on themselves. It's okay to wish the game was better, but insulting everybody that disagrees with you is unacceptable and makes you look childish in nature. Calm down and get a grip.
Maybe you should make a video game and experience the trial and error of game development before you complain about things the team had never planned to happen.