Then I'm a dreamer too. I think that first we need to make a leap of faith and arrange the system the way we want it to be in our dreams and only when this proves to be an illusion (because of the flaws of human nature) we can reconsider and possibly go back to what we have now.

But let's not throw away a possibly valuable idea just because of our fears. It's our dreams that should drive our actions, not fears.