I'm a self-interested creature. I tend to stop sharing with the Internet when my expertise gets far enough to the right of the mean that the information flow becomes unidirectional, or near unidirectional.
I doubt I'm alone in that.
I doubt I'm alone in that.
In private, they share in confidence with people they trust and organizations that they work with who treat such knowledge as competitive advantage.
The thing is, once you are at the top of your field, what incentive is there to share if you are still making personal breakthroughs on a regular basis? I don't see any.