Have they discovered evolution yet?
Real life seeks the gentle slopes at the back of Mount Improbable, while creationists are blind to all but the daunting precipice at the front.
The idea of a divine creator belittles the elegant reality of the universe.
Being an atheist frees you up to live this life properly, happily, and fully.
Absolutist morality doesn't have to come from religion but usually does.
And the beauty of the anthropic principle is that it tells us, against all intuition, that a chemical model need only predict that life will arise on one planet in a billion billion to give us a good and entirely satisfying explanation for the presence of life here.