Can Atheism be unified?

http://www.patheos.com/blogs/geneveith/2014/01/schism-in-the-atheist-church-already/

http://gawker.com/5818993/richard-dawkins-torn-limb-from-limbby-atheists


It reminds one of when Hitler was pitted against Stalin, both of whom steam-rolled over millions, not caring how many died.  Can atheism be "friendly"?  Can it be an "assembly"?