Often when I talk with people about the dangers of c-sections they ask me:
"If c-sections are so bad, then why are they so common?"
My response is simple:
If something goes wrong with a vaginal birth and it goes to court, the doctor will be asked "Why didn't you do a c-section?"
If something goes wrong with a cesarean birth, the doctor can say to the court "We did everything we medically could."
It's called liability, and often referred to as "Defensive Medicine".