You will have to pad out your thinking. It's not clear what you are specifically referencing in biology to evidence religion as nonsense. And? If it's all about control of the masses, you would be better off arguing against the soul on the strength of the manipulation of social media .... Then I take it you have no problem with models of religious thought that conceive of all life possessing the same qualitative essence, ie reincarnation. The rise of secularism under the umbrella of the industrial revolution hasn't exactly ushered in an era of peace ... just in case you weren't familiar with modern history. Even if you want to isolate conflict to the ideological, the reigning champions are communists, kind of the opposite spectrum of the religious .... which in itself is quite a remarkable feat since to win that award they even had to beat the rule of averages, given that the world's population predominantly identifies with some sort of religion or other.