If recent and not so recent events are any indication the "big people" don't seem to have any oversight and operate with total impunity. Having said that a "nursing home" type of situation would not be controversial and would likely be welcomed. My point, as some others, is that there is(IMO) not enough of a return for the investment that would be required. I seriously doubt any bona fide company with the required resources would commit those resources to such an endeavor...