Humans can stop dead as well, which is just as unpredictable. For example: https://www.cbc.ca/news/canada/montreal/emma-czornobaj-loses-appeal-1.4152387 https:/

Humans can stop dead as well, which is just as unpredictable. For example: https://www.cbc.ca/news/canada/montreal/emma-czornobaj-loses-appeal-1.4152387 https://www.cbc.ca/news/canada/montreal/emma-czornobaj-loses...