Or: look-but-failed-to-see-errors, which are an "interesting" cause of accidents. When I took my motorcycle driver's test, my driving instructor sometimes warned me that I needed to make movements in a particular way. He claimed that even though I would make eye contact with a car driver, they may look-but-not-see-me. His reasoning was, as a motorcycle rider, I'm horizontal/upright when a car driver may be looking for something vertical (another car).

Riding a motorcycle is a tough one for car drivers, and not just because of the issue you mention: bikes can accelerate and brake much more rapidly due to their lower mass, and inattentive drivers can easily be caught by that. Them appearing where it shouldn't be possible for a car to show up also amplifies the issue (you don't need to look over your shoulders in a single lane street, but bikes easily show up there).

To be honest, I'd trust software even less if I was a bike rider riding in a European (or Chinese, Phillipine...) city, but that's just me :)

> bikes can accelerate and brake much more rapidly due to their lower mass

Cars are typically able to brake faster than motorcycles. One of the reasons why tailgating on a bike is extremely dangerous.

Good point, thanks!