Sorry my little amphibious friend but after watching the video I must concur “Bad Boat”.
Duck rules of sailing clearly stipulate that NO BOAT shall go back through the start line or return to the racing side of the start line while the race is in progress.
It really does make the job much harder for the PRO and the scorers.
There are a couple of other skippers that also flaunt this rule on numerous occasions, perhaps they need to be called out in the video’s as well.
Just my thoughts on the matter.