Although I haven't seen the interview, I'll check it out, but by the looks of it, I can definitely see these two collabing and creating something of substance and better than Kingdom Hearts (eugh).

Forbes article:
https://www.forbes.com/sites/paultass...

IGN article about Yoko Taro and Kim Hyung-tae interview:
https://www.ign.com/articles/stellar-...

Stellar Blade:
https://www.amazon.com/Stellar-Blade-...