Well I'll put it this way: you can certainly say belief in God makes people behave worse. That can be proved beyond a doubt.
It's surprising to me how many of my friends send Christmas cards or holiday...
Discernment is God's call to intercession never to faultfinding.
It is no great art to say something briefly when like Tacitus one has something to say when one has nothing to say however and none the less writes a whole book and makes truth into a liar - that I call an achievement.