Saw an even worse one at White Bay in 2019 where a young child got his hands on the throttles of an idling twin outboard engined centre console whilst the adult were attending to mooring the boat stern to the beach. The youngster pulled the throttle into full reverse or near to.....boat walked sideways and nearly crushed people who were swimming. Not a fan of boats mooring stern to beach at White Bay.....fatality was possible. Need for a boat free swimming area never more illustrated in this incident