Dawkins and many other prominant Atheists certainly rely heavily on the theory of evolution when they attack theism. If you actually watch the movie you would see some fascinating interviews where Dawkins and at least one other scientist stated that it was studying evolution which convinced them to become atheists. In fact, Dawkins said something to the effect that he did believe that evolution posed a problem for theists.
I imagine that your life would be much sweeter if you stayed with a positive message instead of responding to a negative message.
I have an Atheist friend that once told me, with casual calmness, that when you die you just cease to exist. It sent chills up my spine. My mind can't even imagine that possibility. I wonder how anyone could ever think that.
“There are those who believe something, and therefore will tolerate nothing; and on the other hand, those who tolerate everything, because they believe nothing” - Robert Browning