Great, which still has nothing do with type 1 diabetes being caused by diet (or affluence). You can certainly manage weight gain or side effects in different ways, but the point still stands that Type 1 diabete is an auto-immune disease where the immune system attacks insulin producing cells in the pancreas. It is a very different disease than type 2 diabetes, where the pancreas still works, but the person has insulin resistance, and is the one people think of when they talk about diet and obesity leading to diabetes.

No amount of diet change is going to reverse the damage to the pancreas in Type 1 - it is not a "disease of affluence"