That's very offensive and bannable in my opinion.
I've only had diabetes for two years and as you probably now, the cause of diabetes is unknown. And even if I had been a sugar gulping fat machine, there is no proof that sugar actually is something that causes diabates. Might also be worth to mention that my dad also is a diabetic. Though the disease is not supposed to be a hereditary diseases...
As for my blood pressure, only have had it for a year. It's pretty likely to be a hereditary diseases. Many of my relatives also have high blood pressure.