Masahiro Sakurai Wrote His Entire YouTube Channel Three Years Ago, And Was Also Making A Game This Whole Time
So, the reason Sakurai made a YouTube channel to begin with because he had a brief amount of downtime. Around July 2021, he was ending work on Super Smash Bros. Ultimate. He was asked to prepare a pitch for a new game, which he promptly finished and send back to the unnamed game company who requested it.