No, biggest is a value judgment, and since you've indicated an exit from our Mother and Teacher, that discussion is a dead-end.

If abortion is murder, the mere numbers (although they are high) would also be of little use to someone who consider fetuses medical waste, thus another dead-end.

I didn't attribute ""rabid Roman Catholics" to you and you misconstrue the quotation marks.

"Quotation marks may be used to send a message to the reader that word or phrase is being used in a special way, for example sarcastically."