It might be that the underlying reason atheists are bothered by people believing in God is because God is actively pursuing them. Does God exist? Here are six straight-forward reasons to believe that God is really there (from a former atheist). http://www.everystudent.com/features/isthere.html
So...god is actively pursuing me through YOU? Uh, no, the reality is that I'm only using this forum for the same reason every one else is ($$$). I focus on topics such as this one because they actually promote discussion rather than ones that are a quick reply to a general question like Coke vs. Pepsi. It's not because I'm "secretly seeking god" or he's "secretly seeking me". It's a point-blank choice where I post, and I'm trying to
sow the seeds of rational thinking in here, EVEN IF MOST OF IT'S IN VAIN. Somewhere, at some time, efforts like mine are *not* in vain for someone who desires the real truth...
If god were truly pursuing me, why do I not have strangers coming up to me saying that I need to come back into the fold or something else that is an uncanny, spiritual coincidence? I'll tell you why. Because "god" isn't really there and never was; he's a figment of your imagination that was developed due to evolution, and once you let go of your imaginary friend, you'll realize that anything that happens is just life.
The only reason "god" exists is because mankind is conscious of and terrified of death. The "god" part of the brain evolved to explain the unknown and make us feel better about the fact that we are just a blip on the screen of a cosmological timeframe.
I believe Lacey posted a similar link before. Argument #1 about the earth being "perfect" is silly. Just because odds may be rare for something does not make them impossible, especially considering an infinite timeframe. Also, much of our Earth is covered by desert and therefore unsuitable for farming. This is why we have starving people, because there is not enough fertile ground and fresh water to go around and you're telling me that god is responsible for designing such a world that cannot support our current population. But I suppose you'll say, "oh, it's because of the Fall" - well what a sweetheart god is for stripping our Earth down to only being able to support a fraction of the population.
An argument for the brain does not mention why people who injure their brains can change religions or become different people. And the eye DID evolve one step at a time, gradually. In its current form, the eye is backwards, upside-down, and barely usable; what we see is thanks to our brains processing light photons, not our eyes. And you call that "intelligent design"!
As for #2...we don't know what caused the Big Bang yet. We do, however, know what caused "god", and that's evolution.
In opposition to the rest of the arguments, just because the complexity of things blows your mind does not mean "god did it!".