Bilici stated that ex-Muslims are not necessarily always taking into account the whole range of historical and contemporary Muslim scholarly opinions, and their understanding may be mixed one. The Khalil Bilici study attributes gender discrimination and repulsive feelings owing to negative individual experiences and perceptions as the most prominent motivations of individuals leaving Islam. Khalil Bilici states that their study confirms earlier scholarly findings that some ex-Muslims commonly cite the experience of the 1971 Bangladesh genocide as an example of the oppressive nature of Muslims. Bilici further informs that like in many other conversions, a considerable number of Muslims from frontiers where they are exposed to different perspectives may be leaving Islam. Narratives about "leaving Islam" come from individuals of various ethnic backgrounds and age groups, and from across the world (with South Asia, Southeast Asia, the Middle East and North Africa, and the West being prominent regions where ex-Muslims emerge), and that the gender mix seems to change relative to geography.