The reason to be an atheist is not that it makes us feel better or gives us a more rewarding life. The reason to be an atheist is simply that there is no God and we would prefer to live in full recognition of that, accepting the consequences, even if it makes us less happy.
Big sporting events and spectacles might give the national morale a shot in the arm, but they are too transient and taste-specific to stand as robust symbols of nationhood.
On social networking sites, we may expose ourselves, but we choose to do so. We are in control and, often wrongly, we do not feel we are giving away tradable data.
Instead of showing strangers kindness and giving them the benefit of the doubt, we increasingly show them only fear, and that is bad for us and them.