Does a diabetic need to increase their insulin production by 700%? Low blood sugar is just as much a problem as high blood sugar.
I think the figure they cite is what can be done. I doubt that is what they would do for everybody.
Ideally, you want to do everything through lifestyle changes and discipline, but that will not be enough for some. For some, they will need a drug to overcome the hump that they can’t get over through lifestyle change alone.
In the end, it’s all about lasting as long as possible with minimal harm to yourself.