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.
Because the better an organization is at fulfilling its purpose, the more it attracts people who see the organization as an opportunity to advance themselves.
Organized religion provides a model of the way all organizations, from the state down to the village garden club, end a price in terms of a member's freedom of thought and action.
Ultimately we may still ask, why can't humans design a perfect society?
This whole phenomenon of the diversion of organizations from their purposes and ideals does not seem very serious when the scum rise to the top in the bridge club or the offices of a small magazine publisher.
The key element in tragedy is that heroes and heroines are destroyed by that which appears to be their greatest strength.
The Gnostics were rapidly driven out of business by the hierarchical orthodox Christians.
The ability to get ahead in an organization is simply another talent, like the ability to play chess, paint pictures, do coronary bypass operations or pick pockets.
That the more authoritarian organizations survive and prevail goes generally unnoticed because people focus on the objectives of organizations, which are many and varied, rather than on their structures, which lend to be similar.