I, being a hopeless idealist, would really like to see some standardization! I lived in Japan for 2 1/2 years, and learned to think in grams and kilos and liters, and while it took a little time to get used to it, it WASN’T impossible. So when the US, many years ago, decided to convert gas measurements from gallons to liters, I absolutely couldn’t understand the uproar, but even though I never heard any complaints, the govt. decided to change back. What a waste! If they’d just stuck to their guns, they could have ridden out the storm. And they sure do know how to stick to their guns on far less important issues!
So anyway, if they changed to mmol/L, I would get used to it. I prefer mg/dl simply because it’s what I’ve always used, but I’m NOT set in concrete. And even if I would prefer the rest of the world go to mg/dl, I’m not so stupid as to believe it would really happen. And as it stands, it’s a good reason to learn the 18 times tables! LOL!