Not the future, it did already happen, albeit on a smaller scale with Cruise: https://www.thedrive.com/news/a-swarm-of-self-driving-cruise-taxis-blocked-san-fra

Not the future, it did already happen, albeit on a smaller scale with Cruise: https://www.thedrive.com/news/a-swarm-of-self-driving-cruise-taxis-blocked-san-francisco-traffic-for-hours https://www.thedrive.com/news/a-swarm-of-self-driving-cruise... The worst part is they were never really transparent about what the issue was.