This sort of thing happens all the time, just less obviously. For example in my city it's not unusual to hear that a major tram line is stopped during the morni

This sort of thing happens all the time, just less obviously. For example in my city it's not unusual to hear that a major tram line is stopped during the morning commute due to a car driver blocking it inconsiderately or colliding. Once amortized against successful journeys the overall cost per passenger isn't significant. When it is, that's when we start seeing liability moved to the instigator.