Religion in the modern world is completely unnecessary. But a little philosophy and good education will not hurt.
Most Religions preach that their members live pious and holy lives loving one another, With regards to Buddhist, they are the most peaceful people in the world and its all attributed not to their personality but their religion, even though some religion like Islam tell their members to kill non Muslims who they term as infidels, not all religions does that. Religion is very much important in this current world.