I feel for this language issue, I really do, and it has struck me in other areas of my life besides my diabetes. It may just be inherent in our culture for these word association mixups to be rampant with our way of relating to people.
So I'm at a party and the hostess want me to try some food
I say "No thanks, I can't eat anything."
"Why not everything is so good?" says the host.
"Because I'm allergic to milk and everything has milk in it, but thanks."
"Oh I'm lactose intolerant too, you should be fine, here have a bite."
"No, I'm allergic to milk, I will stop breathing." (Great development in my milk allergy =p)
See that, word association issues. This isn't fun, it isn't something I often say in public, but when I used to it kinda made the diabetes name change take a step up in my mind. The difference between lactose intolerance and an actual milk allergy- one bloated and uncomfortable, the other suffering from anaphylaxis- yet even with a completely different name but the one person associated it with their version and understanding of a condition. This form of language empathy causes us to be lost in translation.
Even having said that, I'm all for a name change, we will still be related by our use if insulin and our mutual understanding of suffering, we can even still support one another. Just recognition of these two separate diseases by two separate names may help or even hinder in unexpected ways, I'd like to see what happens.