It does not matter what length of boat anybody designs and builds. All I am saying is that it does not make sense to create a Formula 12 class if you are not going to limit it to boats that are 12 feet or less.
Maybe a Formula 12 class is not needed at all. And that is probably the case.
I just don't want to see somebody create one that is for boats up to 13 feet long. That is like saying that for a Haiku poem it is okay to have 10 syllables in the second line.