What makes you think that Mario Kart 8 is going to hit above 1.3 million in lifetime sales for Japan ? 

I said that...?

The userbase doesn't matter. LOL 

It seems like you've still got a long way to understand how games can affect console sales ...

Yes, the PS4 maybe tracking below the PS3 but that doesn't mean it won't change in the future seeing as how almost every 3rd party Japanese developers are supporting the PS4. There's still likely well above 1+ million Final Fantasy fans in Japan and it may turn out to be a better game compared to Final Fantasy XIII depending on Square Enix. 

Then what makes you think Final Fantasy XV is going to end up as a bad product ? 

Im not saying it will be bad by any means, but after last years E3 people made it sound like it was a game made by the gods...

It maybe overhyped but in no way does that mean it will not end up bringing a quality experience all around and have more faith in Square Enix as they may have learned a thing or two from Eidos. 

So making the game more western would help it in Japan?

That's not exactly what I meant ... What I meant was Square Enix must have SOME cues of developing quality software much like Eidos did so have more faith in them at the very least. 

When they announce Actraiser 3, then faith will be restored:)

I was never a SE fan, so I have as much faith in them now as I ever did.

Actraiser 3 will most likely be never announced as that's mostly a dead IP and the studio behind it are highly likely defunct ...