Just because someone comes here and asks how to go about doing a circumnavigation doesn't mean they are about to jump on a boat and rush off on an ill conceived journey.
It all starts somewhere.
If you don't know anything, you ask questions.....
One of the threads that this thread was posted in response to (I assume, maybe not ...) is a thread where someone simply asked how they would train for a circumnavigation. That sounds like a perfectly reasonable question for someone to ask in my opinion.
I have never read an absurd circumnavigation thread where the OP is asking whether the voyage is wise. Instead, they want to know which boat, which radio, which breakfast cereal, which fitness routine.
At some level, they must understand their plan is foolish and ill-conceived, so they never ask, "Is this a good idea with my lack of experience, funds, support, and knowledge?"
We should be the ones asking questions before dispensing approval, like:
How long have you been sailing?
What kind of books have you read in preparation?
How much bluewater experience do you have?
What kind of safety gear do you have? EPIRB/PLB? liferaft?
Have you ever owned a boat before? Repaired the engine, the toilet, the electrical system, the rigging...etc?
Then, for the absurd and ill-conceived posts, the poster should be informed as to the proper preparation for bluewater sailing. Will this discourage some of them? Yes, of course, that would be the point.
By the way, the Hawaiian U.S. Coast Guard unit already had to check on Rimas. So, our tax dollars are hard at work. I am not in favor of legislation. But, we don't have to assume these folks are ready and encourage them in their voyages. Given the questions they ask, I assume they are not well-prepared. Otherwise, they wouldn't be here asking what breakfast cereal is best.