Religion is vastly good. Yes, religion can be taken too far, as every single thing imaginable can be, but that only serves to discount man, not religion. You can take a secular ideal of helping harmless animals to the extreme as it has been and even the pursuit of freedom to an extreme. In terms of conflict and extremism, secular ideologies, philosophies and politics, lead to conflict and extremism as well to greater extents with most of the deadliest wars having nothing to do with religion at all. So this should show the flaws of man, not religion itself, leading to such troubles.