I've had a few similar cases, often teenagers on bikes coming dangerously close (e.g. forcing waymo to sudden break) and last one one bicyclist just blocking me for 5-10 minutes in SF (also just to be an asshole), with a street full of cars behind all blocked. I called the "connect to support" button and they could not anything. This is the only negative experience I had with Waymo; and I am hope something is done to be able to swiftly respond to such cases (e.g. remote driver take over, or at least capture their video and work with police to punish them later) in order to deter them in the long term.