This statement makes no sense. Moral relativism is a view that all beliefs and values are equally meaningful - and therefore true for the holder of the values. Pluralism is the belief that no single system or view of reality can be relied upon. Of course, both moral relativism and pluralism defy logic.
Atheist mass murderers are a world apart. No one else is even in their league.
When are these bozos gonna get off this "Islam means peace crapolla?
Islam means submission
...or is it the other way around?