Reply #23: I always thought that was the major flaw in their logic.

[A Simple Game]

The universe is too complicated to have just happened, there has to have been an intelligent designer.

Ok, then who designed the designer?
Huh, what do you mean?
Well to design the universe, the designer must be a complicated entity, right?
Yes.
Then who designed the designer?
No one, he just is! (This is probably the point at which they say God instead of designer.)

And they just don't see the flaw in their logic. The universe is too complicated to not be designed, but the designer isn't.

Very, very, very simple explanation of the universe below.
Given time: things will balance, everything seeks it's own level, that which doesn't work will cease to exist.