PE bought your hospital? More like, "some guys" bought your hospital.
Ask why "some guys" bought it instead of using their money in the market, or why your hospital sold in the first place. As anyone who's company has been purchased by private equity knows, it's probably because your hospital wasn't doing so hot to begin with and "some guys" were willing to gamble that they could turn it around and make some money before it blew up. This will mean turning the screws on the customers and employees and creating a sucky environment. But this is just accelerating what was likely already an inevitable decline.
As with any risky investment, there's a solid chance the PE firm will lose money on the gamble.
See this recent hacker news submission: https://news.ycombinator.com/item?id=36048464, 30% of rural hospitals are closing due to costs growing faster than revenues.
Hospitals, in many cases, are not good businesses. Especially in places where doctors, nurses, and other staff can demand a premium based on their local market's dearth of professionals. PE firms in my opinion are part of the slow death of these failing businesses - the last attempts of "some guys" desperate for returns trying to squeeze blood from a rock that everyone else was avoiding.