Agreed. It's like those all purpose fax printer scanner copiers back in the nineties. You put all those components together into one thing, you get less quality over all than were you to by those individual items. I think the analogy breaks down now in the 2010's cuz of how good those multifunction machines have gotten. Lol But I think you get the picture. Generalists, definition, must compromise their expertise in order to broaden it. Specialists, on the other hand, deepen their expertise and experience way more than a generalist ever could because the specialist has a sole focus that allows them to gather experience.
Of course, that's generalizing things a bit. Personality, age, hospital staff, what's happening in the surgeons life, etc, etc, all play into it. I think your chances of a good result increase going with a specialist who has a proven track record. I wouldn't go to Spiegel for vfs simply because I can't find any reviews AT ALL on here about his results. Makes me think he doesn't do vfs's very often at all... Or his results are so poor, nobody wants to share. Either way, any surgeon with no reviews would not make it onto my short list.