I knew this would be an interesting thread when I read the title.
And yes, she asked fellow weight loss surgery peers for their opinions and she got mixed replies. That's the nature of forums like these. And also the same thing happens on here when people ask about pre-op diets. Everyone's doctor has a different idea of what is best.
I'm not going to give my opinion. My suggestion is to follow your plan or whatever guidelines that your surgeon gave you. You trusted them enough to perform your weight loss surgery, so follow their guidelines. They know what's best for you.