The best a health care system can do is to equip itself to meet the needs of each individual woman and birth. Those needs run the gamut from undisturbed home birth to planned cesarean section.
It's very rare to see an undisturbed birth in a modern U.S. teaching hospital, but when you see a woman who isn't frightened, who's giving birth without interference, you stand back in awe and realize how little needed you are except in the rare circumstance.
It would be a mistake, though, to consider care by family doctors or midwives inferior to that offered by obstetricians simply on the grounds that obstetricians need not refer care to a family physician or midwife if no complications develop during a course of labor.