Claire, sure and there is not a one size fits all solution.
Now as it happens, I've only heard of vaginal hair growth post-op in women who didn't do electrolysis but you could be right, our data is imperfect at best.
Too often discussion of technique come down to a sense of advocating, I think I said above, what we're looking at are really good choices among amazingly skilled surgeons. At least in the US every surgeon I know of doing these procedures is already a top notch practitioner.