Why is Mario Kart World already dead?

>switch 2 aka WiiU 2 flopping
>flagship title Mario kart losing to sega
>Month 1 dlc announced for donkey Kong flopnanza that consists of a single island
>Like always new Pokemon doesn't look good
>Metroid prime 4 open world of fucking NOTHING
>Next upcoming big game is another racing title
>virtual boy, need I say more?

Are we experiencing the death of Nintendo? I think it is over for them if they can't manage to run GTA 6 on mobile phone console, gaming is bigger than ever and GTA 6 is set to sell billions of copies and millions of new consoles but not for Nintendo who is stuck in the past.