People drive £47,000 luxury vehicles as status symbols. It's obvious that this cyclist, whatever his motivation was rightfully having none of it. Cars are cars. Status is a construct.
People don't tend to stand on the street in protest against powerful forces unless what they perceive as a grand transgression has taken place.
Whatever transpired between the two, the car driver turned into a sad, sad baby when his status symbol didn't get him the desired result.
Actual rich people are on firm enough emotional footing to not act like babies on the street.