As I said, all the atheists I know don't give a rats ass about what the pope says or thinks. I also haven't seen a front page headline about an atheist complaining about anything.
The case had been brought by an atheist who did not want his third-grade daughter to have to listen to the phrase "under God" in the oath.
I am in the UK.
American atheists have the disadvantage of being American, which means there's a good chance they are a few cans short of a 6 pack anyway.