If you were walking down the street and you saw this go tootling past you...

...your first, most reasonable reaction would probably be: "Please let me wake up from the nightmare that I am currently experiencing."

They were so preoccupied with whether or not they could, they didn't stop to think if they should (they should not have).

If you can suppress your perfectly normal feelings of horror and revulsion, then you can see how they made this geometric insanity below: