But diet advice for diabetics does not focus on forcefeeding yourself vegetables. Vegetables are actually carbohydrates, although not the sugary simple carbohydrates that are most harmful. But by the same token, you don't need huge quantities of veg, just enough to get key minerals.
The thing about diets for people prone to diabetes is that it focuses on protein, mainly eggs and meat, not vegetables. It's a very savoury taste, which may leave some people pining for sweet things. But basically you can have beef, lamb, pork, bacon, chicken, fish, eggs. And that's mainly it!