The power of name reputation at work. If a game project is in trouble and someone you respect and idolize is involved, it must be because in spite of all his brilliant efforts, the project is not going the right way. Everyone else is to blame. If a game project is going really well and the game looks awesome and someone you respect and idolize is involved, it must be because of his brilliant guidance and leadership that the game turned out that way. Everyone else was just following his lead. Yup.
Nevermind the actual directors, producers, game designers, programmers, artists, level designers, etc working on a game. None of them can compare to the power of Miyamoto's brilliance even though no one knows what the heck he even does on individual projects these days other than managing overall development on a studio level. Lol.