Dont get me wrong... I have got nothing against your distrust and dislike, Im just curious whats behind it, thats all..
16 hours under GA? I never heard about anything like that. Average time for SRS is about 4 hours. With Brassard its less than 3 hours. Surgeons like Suporn and Chettawut who do a bit more complicated technique end up having patients under GA for about 6 hours. Except in cases of complications, it usually never lasts much longer than that. Colovaginoplasty can take a bit longer, but thats another exception.
Surgeons usually dont want to combine SRS with any other surgeries, and advise against it. Its called common sense. If you are persistent, some might be willing to do breast augmentation, or smaller facial procedure. But no sane surgeon is going to do full FFS after SRS, and keep patient for more than 10 hours under GA. I never heard for something like that. If you noticed (Im sure you did) that thread where older patient had FFS and SRS and breast done in 1 surgery, they had all that done at the same time, with one surgeon doing SRS, another surgeon doing FFS, and third surgeon doing breast surgery. So it didnt take any longer than FFS would on its own. Still, I wouldnt ever advise anyone doing that... regardless of anything.
If they lie about their certification, you can still check their background. Not just certification... I didnt felt I needed to do that, because surgeons I chose didnt have questionable background and expertise. Still, without my say, one of my parents asked one relative (who is MD with plenty international connections) who did a full background check on my FFS surgeon. Like literally having conversations with few surgeons current and former colleagues, and former boss of hospital where he worked for 15 years, etc... I specifically requested to not do that again for my SRS surgeon.
I fully understand you on that about clinics. I wouldnt choose to have a big surgery in clinic either. For me, having such surgery in proper hospital, was unavoidable requirement. Complications happen... even if its just 1%, Im not taking chances.