It’s not the rider’s fault if a bike with square wheels fails to produce the outcome you seek. That is a design problem. Corollary A: Water flows to the lowest point; shape the system. Corollary B: Can you reasonably expect different outcomes than your design was built to produce? A bicycle with square wheels can still move. A skilled rider may even be able to keep it balanced, push it forward, and make some progress. With enough effort, strength, and determination, the bike