THANKS Nate as always for great work! I had forgotten that DeWitt had made such a remark, and all the rest is new to me, including some good names to research.
I need to reread the thread to see where we left off last year, but my general impression is that this remains an important and underappreciated issue. I am convinced the Epicurean view does not lead to nihilism ("nothing is real but atoms and void") but to a full appreciation of the dividing line between what is truly real for us and what is really just abstract fantasy and imaginings.
I suspect most people have only a foggy understanding of what is involved, and as soon as the issue is raised they drop it like a hit potato because they are disconcerted by the whole discussion. But when you are comfortable with a world without supernatural control and with only this one life to live, a quick and ready understanding of what is real and what is not real is essential.
Instead of seeing "what is truth?" as an indictment of Pontius Pilate, those blinded by religion need to think about the depth of the question and realize that they need to answer it.
This is a really core point of Epicurean philosophy.