I talked to the CEO of a small rural non-profit hospital and asked if ACA had helped since they traditionally wrote off a lot of the care they provided. I figured that everyone being required to have insurance would really help them stay afloat.
She said it actually hurt them because they had an influx of people coming in with subsidized insurance that never paid any portion of the deductible. So the hospital was now struggling even worse than before because they were writing off more than previously.
For me, this was a counter-intuitive result of ACA that I hadn't expected.