Popular arguments you think Atheists shouldn't use

[The Valkyrie]

The Dark Ages argument and the Bronze Age argument....really not so much arguments but one-line sayings that too many atheists have used online that show they have little grasp of history. Whenever I see an atheist use those statements, I see that there isn't really much value in their intellect. Frankly, they have so much better material they could use if they weren't so lazy to research.

What's the Dark Ages Argument? That we don't want religious fanatics to lead us back there?

Presumably it's the statement of, "there was a time when Christianity ruled Europe - it was called the Dark Ages."