The guy was laying out a correlation he believed he had found between two point types and the flake tools that he had found along with them.
I, for one, found it fascinating and promising.
He may have been right, he may have been partly right, or he may have been confused. I don't pretend to know, since that time frame in his part of the world is unfamiliar to me.
What I do know is that I've invited him to continue our discussion of them privately, via email, since it seems we can't do it here without people inviting themselves in to pass gas.