Basically it comes down to doing literally anything you want, which sounds fine on paper, but comes off as just babying the player. Why bother getting the main one when I can just ground pound a random spot or why bother fighting an optional boss when there's clearly enough out in the open to...
I've decided not to get this game. From what I played from the demo, its looks to have similar feel to Yoshi's Crafted world, where its very easy, and doesn't really do much.