I haven't read the whole thread, but what you said is interesting. Is there anything more written on that angle, was he one of those people who believed that stuff?
Check out these links:
http://ishmael.org/welcome.cfm
http://www.friendsofishmael.org/about/why_ishmael.shtml
http://www.amazon.com/exec/obidos/ASIN/0553375407/readishmaelco-20
There’s a lot of leftist ranting at those links - the last one is the Amazon reviews for the original book by Daniel Quinn.