I am not advocating those referenced but more expanding the point from geography to any other group of friends that makes sense to the people involved.
I certainly agree that Epicurean philosophy is for everyone every bit as much as any truth is for everyone. But there are natural divisions of geography, language, etc that may make sense to the people involved under their individual circumstances.
For example I would never want to see this forum limited by sex or race or geography or anything else, because we are working on the core truths that have the widest application. But we have subject forums and sections for geographic area, etc, and I wouldn't want to push away from here any group that sincerely wanted to study Epicurean philosophy.