Is atheism a belief?

[Gwaithmir]

This is the only claim I have been making: those atheists who have heard and rejected religious claims have reasons why they reject them. And that these reasons are the things that they believe. 

For example, if a religious person made an argument for the existence of God based on what it says in scripture, you might reject that argument because you hold that scripture is not a reliable guide to what is true about the world. In this case, your belief is that scripture is not reliable, and you have used this as a standard by which to judge the claim. 

Different arguments would demand different reasons to reject them. But in each case, if you find the argument unpersuasive, and you aren't just rejecting it on a whim, you have reasons and the reasons reflect what you believe.

Wrong! It's because I find that theistic claims do not pass rational scrutiny. Hence, I do NOT believe them. This is a rational conclusion, not a belief.