Robert Joseph Shea was an American novelist and former journalist best known as co-author with Robert Anton Wilson of the science fantasy trilogy Illuminatus!. It became a cult success and was later turned into a marathon-length stage show put on at the British National Theatre and elsewhere. In 1986 it won the Prometheus Hall of Fame Award. Shea went on to write several action novels based in exotic historical settings.
Ultimately we may still ask, why can't humans design a perfect society?
The key element in tragedy is that heroes and heroines are destroyed by that which appears to be their greatest strength.
To reject even one major tenet of the religion or to violate one major rule of behavior is enough to get one kicked out - or worse.