PatD, Lane had good reason to treat both Mother Theresa and Fakir Chand together because of the stated aim of his article

"Although guidelines have been proposed by several religious groups to help would-be seekers decide which path or guru is the highest, almost all of them suffer from a clear case of what sociologists and anthropologists now call ethnocentrism (the tendency to see other people, cultures, religions, solely in terms of one's own world view). Surely, no critical guide will be exempt from a certain amount of prejudice or bias, but it can be minimized if the template we employ to appraise masters and new movements is drawn from transcultural sources and is interdisciplinary in scope. "

Andries