Here we discuss everything related to riding, maintenance and gear.
I'm convinced that what's measured isn't the accuracy of what is picked, but the delay in picking. A bot will immediately start processing the image and selecting square after square at a certain rate, while the human has that pause of "wtf?", then multiple hesitations.
I've been asked this, except it was a scooter in the picture. I correctly didn't select any squares, but failed the test.
Scooters aren't motorcycles!
I have a motorcycle and I still failed a motorcycle captcha.