I dunno, but small boats generally know to avoid lanes of multiple larger craft and move to the outside. If the number is double digits, I’m thinking too many dropped plugs for happenstance.
Not hearing anything about sinking boats in all or any of these other water rallies.
Big boat Rally in Wildwood NJ. They were hoping for 3k boats. decorations, music, etc... This is where Trump had his Jan Rally. Right on the Atlantic Ocean. Started in Cape May.