"It also means no tears and episiotomy and no grazes. The scar in the abdomen, I can live with."
Well - you pays your money and you makes your choice!
Have to say - having had the sort of experience you fear - vaginal birth with huge baby (3 actually), forceps birth, buggered pelvic floor, resulting in long term stress incontinence, honestly I can say it really doesn't affect my quality of life in a way which bothers me. Still manage without tena lady, still have good sex. Don't smell of wee. The only thing that I don't do is go on the trampoline with a full bladder, but I don't think that's too much of a sacrifice in exchange for dodging major surgery three times.....
I think women who have no experience of birth and who fear it often focus on the worst possible scenario - obstetric fistula, catastrophic faecal incontinence etc, and it looms so large in their imagination that it comes to seem like a very major and significant risk. Actually the likelihood of truly life altering damage after a vaginal birth is probably no higher than that of life altering damage after surgery.