Sometimes people do say the world be a better place without religion. Because how people take religion too serious , so if you are not of the same religion which they belong they have nothing to do you. Would the world be a better place without religion? Has region not play any role in our society.
Religion is nothing but to form a community among humans, if there is no religions then people will be grouped under multiple things so the groups will be too high so in future the religions may come under the one religion which is humanity.