And to do that you need time to train, practice and fail. Innovation doesn't happen within the 2 hours that you're pressed to produce something of good quality.
Remember Souma trialling different ways to make his Don for the shokugeki? That's what I'm talking about.
All the other "do it right or fail" scenarios are about exercising what you already know in an unconventional way. It lets you break out of a tight spot, but you're not going to make a breakthrough. It's destructive, not constructive.