Interpreting forms reminds me of people who did seminars back in the 1990s attempting to "reveal" the secret bunkai from their karate kata. None of this stuff is really secret. There are many, many books which explain these things, and friendly masters that teach publicly who will gladly show you if you aren't one of those oriental fetish people.
Amen. It's one thing for something to evolve into something else, another entirely to presume that it was the original intent. There is usually one, MAYBE two things a particular move applies WELL to, and where there's two, it's because the body mechanics of the two activities are very similar.