Since atheism has contributed nothing beneficial to humanity. Here are their contributions to the world. 1. Genocide- Kill the undesirable and the weak. 2. Blame Christianity for all the evils in the world and ridiculed their beliefs. 3. The human race was brought forth by accident. Therefore, there is no meaning and purpose to life, just nothing. 4. Finally, not least their greatest contribution to humanity is NOTHING! Begin your Assaults!