It's always tempting with difficult control problems to imagine why not just do what feels stable? Why not just hold it in place with something? Why not make it

It's always tempting with difficult control problems to imagine why not just do what feels stable? Why not just hold it in place with something? Why not make it shorter and wider? For an example of why not - compare a turtle to a human. The human is inherintely unstable and its vital organs are exposed through weak flesh. If we lose control of our unstable balance, we die when our head hits the ground. The turtle is naturally stable and armor plated! But which one is really best at surviving?