Actually it is mentality to conversert someone or to bring a person to its fold which has made a religion Cyanide. Most of us fail to understand this and thus cursing religion. For a moment if you give up your religion but you will still be sticking to some ethical rules. so why condemn religion . condemn menetallity which make you to fell that your set of practices/ rules are superior to other's and those who donot follow you are living in dark.