Like I've said already, there's always more to the story.
From the other thread:
Originally Posted by brucat
While RRS 44.1(b) requires a boat that has broken a rule to retire if she caused serious damage; there is some leeway, in that Wave may not have thought she broke a rule (and who knows what they were thinking at that point?).
I guess now we know (albeit through hearsay reported here) that Wave thought they were ROW, and that is why they didn't retire.