hierarchical doesn't imply that every organizes their hierarchies the same. The vegetable counter example is moot. The brain works in many different ways - I'm

hierarchical doesn't imply that every organizes their hierarchies the same. The vegetable counter example is moot. The brain works in many different ways - I'm sure you're not wrong about the graphical structures being intuitive. But there's a reason why outlining is so ubiquitous in daily life and many professions.