Explaining to the masses is one thing. I'm saying the smarter philosophers are able to understand concepts well enough to explain clearly to other smart people. Like, say Richard Feynman in physics. He is smarter, I'd say, for being able to develop concepts and communicate them.

I agree it is a different job to do promotion. But it's an issue if Wittgenstein couldn't communicate comprehensibly to the greatest philosophers of his time -- or experts of today.