Regardless of the protestations of some there is no major religion that has not been involved in persecuting non-believers at some point in its history and most still are  Although in much of the world the days of the crusades and the inquisition may be gone, there are plenty of nations were religious disobedience still is still punished harshly, summarily or extra-judicially. In other countries, semi-official militias are left to enforce the minutiae of religious law, although usually in such a way as to disadvantage women and others already persecuted in society.  It should be noted that what tends to be the focus of such persecution is a lack of adherence to an ultra-orthodox position. It is frequently a cover for political or social prejudice. Charges of heresy or apostasy are easy to level and nigh on impossible to disprove.  Even beyond these extremes, demands for religious observance play out in US elections and, inexplicably, the views of religious leaders are sought on areas where they really have no relevant expertise at all, such as advances in medical progress. Those who disagree on matters such as stem cell research or gay rights are, apparently, arguing with the Almighty.