While I agree that 99% of the time AROM is not good and not needed.... I just wanted to share what happened at my birth, which I believe was the 1% that benifited from it (AROM).
Before my labor started, I let my midwife know I didn't want any interventions.... AROM included. After being in labor 26 hours, 8 of which I KNOW was transistion, I was at 2cm with my bag of waters bulging.... I was wanting them to break on their own, but at that point the contractions were coming one on top of another with NO BREAKS. I remember I started to think "oh my god, I'm going to die... I'm really going to die in labor..." At that point I let my midwife break the bag, and in one contraction I went from 2cm to 9.5, and one more contraction put me at 10. I pushed, and my daughter was born. While I would have LOVED for it to break on it's own, I really think my body would have given out on me before my water would have broken. So maybe it's not ENTIRELY bad to break the bag of waters, but it is just seldom needed?
I'm expecting #2 late march and I'm going to wait and see if they will break on their own. But after a few hours of transistion, I will be more that happy to break them myself.