> sprouted seeds (legumes, nuts) and other plant parts for protein

Doing so will drive demand for better diabetes treatments. Managing diabetes is a longer and more nuanced conversation than one can have here. The rule of thumb is that all carbohydrates harm blood glucose control. The best diet is based on your body type. For me (and many others), a low-carb, inulin-rich diet (unprocessed meats, low-starch vegetables) seems to give lower blood glucose increases.

Some claim a low-fat vegan diet will put diabetes into remission, and I'm sure it does for some body types. I can not judge the validity of that claim except that I do not have that body type, and it made my diabetes control significantly worse.