Pure moral egoism is an extreme case of simplicity with minimal complexity in the moral sphere; extreme complexity without simplicity would be the acknowledgement of a wide array of agents, interests, and values with too little coordination to allow of selective response or action.2 (religion-online.org)
Other speakers noted that the situation's extreme complexity also hampers change. (sciencemag.org)
Again thats beyond our ability to instantaneously comprehend due the extreme complexities involved on the atomic level... considering everything interacting by cause and effect... but science has proven it. (religion.blogs.cnn.com)