Earlier quoted context omitted.
If the large studies are to be believed, you could save hundreds of thousands of lives and many billions in excess expenditure, because stable blood glucose shortens length of stay. People with diabetes alone account for 60% of hospital expenditure, so improving their care improves the system in a big way.
Why should hospitals be motivated to shorten stays and reduce expenditures when those stays and expenditures mean that their profits will increase? Why don't they want to maximize profits from the suffering of sick people?
Though for the more terminally American founders here: reception filling in intake forms and charging one-time admission and diagnostic fees for new patients may have better margin than doctors charging billable hours