There is a selection bias problem here. Walk ins and emergency departments see a lot of people who really didn't need to be there but weren't confident about t

There is a selection bias problem here. Walk ins and emergency departments see a lot of people who really didn't need to be there but weren't confident about that. Such a call line could presumably clear most of those out easily. On the other hand, if you don't even call until you are very confident there is a problem that won't resolve itself or whatever, you'll get redirected every time.