"There is a truism that the length of a woman's birth plan is in direct proportion to the likelihood of her needing intervention"
Yes - and there have been speculation that this is because a long birth plan is greeted with arrogance and hostility by care givers and impacts on the quality of the care they provide.
I have certainly seen midwives sniggering over a woman's birth plan in a corridor. 
"but to pass a statement that says homebirth is safer is ridiculously inaccurate"
I'd say that anything that halves the likelihood of you having emergency abdominal surgery and reduces the risk of you ending up in HDU (as homebirth appears to do) could reasonably be called safer.
"You won't be interested in statistics then."
Carrie - when you are making clinical decisions at work, do you generally go on gut feeling, or do you try to base your decision making on best evidence?
Would you ignore good quality research which suggests that a certain technique or drug is associated with a doubling of the risk of serious complications, because it didn't fit with what you'd seen in your practice?
Personally, given that the history of obstetrics in particular is littered with examples of doctors harming women and babies with practices that they were convinced were beneficial (routine forceps birth; routine episiotomy; scopolamine birth; induction at term for all), I'm profoundly grateful to live in an era of evidence based medicine.
Statistically, maybe. Over a large sample of women, stratified for risk. Unless you are the unfortunate person who labours at home with an unanticipated obstetric emergency, or the fortunate person who chooses the hospital and ends up with a healthy baby rather than a dead one?
"You won't be interested in statistics then."
I agree - statistics mean nothing in the event of a poor outcome. I often think of the women who have complications during emergency c/s - the bowels and bladders nicked during surgery, the ones who have a catastrophic bleed and end up needing a transfusion, the ones who go home with a serious infection or end up with placenta accreta or percreta in their next pregnancy, or a scar rupture in a labour following first c/s. Wonder if those women ever consider that they might have halved their risk of having emergency surgery if they'd stayed at home to give birth?
"but I think we should do well to remember how the hospitalisation of women in labour has reduced the maternal and child death rates over time"
Actually I think you'll find that the biggest reductions in maternal mortality and morbidity happened when the majority of women were still giving birth at home, and were the result of antibiotics, higher standards of living and better antenatal care.
This book explains it all: here