The ad was specifically designed to be as innocuous as possible, as a test to find out if, in fact, it's the mere existence of atheists, and not anything we do or say that offends the religious majority.
I guess the answer would be "yes."
And I'm thinking this "co-exist" thing isn't working out.
It looks like we were right about the silly little pukes all along. We might as well just come out with it: