Most mohels, even among the Orthodox, do use a sterile pipette, avoiding direct oral-genital contact. In 2005, the Rabbinical Council of America, the main union of modern Orthodox rabbis, issued a statement urging the abandonment of direct suction. Rabbi Moshe Tendler, a medical ethicist and dean of Yeshiva University’s (Orthodox) rabbinical school, was quoted in The JewishDaily Forward as saying: “There is no requirement to make metzitzah b’peh. The Talmud says plainly it is not part of the ritual but belongs to the medical, post-surgical component. There is no doubt that insistence on metzitzah b’peh is wrong. I firmly believe that making metzitzah b’pehis a criminal act.”
Do you have sources showing this practice is commonly accepted?
If you describe the practitioners of this as a "fringe group", on what basis do you consider the comparison (not even identification) above to a (hypothetical!) "cult" offensive? And do followers of small religions which have been stigmatized with the label "cult" not also deserve the same respect for their beliefs and protection from discrimination as other religions?