Why would a car crash if the speed limit is obeyed? There are many factors that can lead to overheating. Like damaged sockets, Plugs not plugged in fully, dirt

Why would a car crash if the speed limit is obeyed? There are many factors that can lead to overheating. Like damaged sockets, Plugs not plugged in fully, dirty plugs/sockets, cheap/old sockets that don't fulfil the specs, wear in sockets that leads to not enough pressure on the pins and smaller contact surface, ...