Be as disagreeable as possible I think! If you constantly introduce conflict into people's lives you're always going to be dealing with people that are thinking on their feet. I'm being sarcastic, but I'll let the point stand.
I cannot begin to tell you all how much of a difference it would make to people with either type of diabetes to have a non-disposable device to monitor blood glucose. CGMs are great, I use a Libre, but it's $$$ every other week, and sometimes the damn things just break when you're putting them on.