I think you're being too optimistic about your fellow humans' judgement. "Death by GPS" is a quite common occurrence: https://www.sciencedirect.com/science/article/abs/pii/S13550...

Type 1 diabetes with the sensors and pump technology that this software being presented here fits to is not Everyman Joe stuff. Someone who can set this up and get this going is already burdened with the kind of analysis that the app can assist with.