> Nothing like rules for spurring creativity.

I feel like it's pretty well known in creative spaces that constraints breed creativity.

Deliberately imposing constraints on yourself is actually a very well-established way to spur creativity and innovation. For example this movement was inspired by something similar from back in the 1990s: https://en.wikipedia.org/wiki/Dogme_95

Creative after creative and artist after artist has said pretty much that constraints and limitations indeed spur creatitivy...