https://www.ft.com/content/ba1df81f-8eaf-4d22-973d-8c3e4f2c26a2

"Humans are sticklers for social codes and ready to persecute those they perceive as breaking them — or those who appear to have an unfair advantage. The relative cheapness of being a cyclist can be received as unfair; so can cyclists’ ability to move past cars in traffic. Most cyclist fatalities or casualties occur in collisions with cars but that doesn’t seem to cut through in the same way. Roads are construed as belonging to cars, not bikes"