Lets see if lists make a religion bad, good, or ugly. But unlike you, lets be a bit specific and based on real research. Not a cut and paste from a man uneducated in religion or sociology.
1. 15 million people killed by Joseph Stalin. Atheist.
2. 20 Million people killed by Mao. Atheist.
3. 50 million people killed by war. 2nd world war. Secular.
4. 93% of all wars ever fought in the history of the known world, recorded were secular.
5. Democide in Romania 1948-89. Atheist.
6. 60-65k murdered by terrorists in Sri Lanka since 1983 - 2009. Leninist. Secular. Atheist.
7. Peru’s Shining Path - 60,000 dead. Atheist.
8. Bulgarian democide 48-53. 30-50 thousand killed. Atheist.
9. Polish Democide - 30000 killed.
10. Sino vietnam war. 30000 killed. Since, atheist.
11. Check democide. 13k to 60k killed. Atheist.