I've noticed an awfully lot of type II diabetics using artifical sweeteners but still eating loads and loads of starches. Starches are actually far worse for you than a little sugar. And you're 30% more likely to be obese eating artifical sweeteners than you are just eating sugar.
One of the all time worst things for a diabetic is french fries. But I know lots and lots of diabetics that'll order a "diet" drink because they're diabetic but order the large fries.
I am diabetic and have sugar in moderation and really watch the starches, potatoes, corn, peas, rice and wheat. I do not use any artificial sweetener of any kind and still have an A1c below 6.5. When I was diagnosed my fasting blood sugars were above 250 and I had an A1c above 9.