Yea, and they are mostly unpleasant places. For that reason, most people will put up resistance against being put in a hospital unless undeniably ill. Make hospitals like McDonalds for adults and people will willingly go. Casinos, etc.
You need to talk to a bank about this. Draw up a business plan. I'm serious.
Haha, I think it would take a bit more than a business plan to make work and personally get something out of it. But yea, it's an "out-there" concept.