There are also lasting lung problems that can hit you later in life. A recovery does not mean you are free of the scourge.
I don't know living with pulmonary fibrosis seems like a fun to live the rest of your life. Imagine breathing through a straw everyday and being more prone to infections.
People have also ended up with neurologic problems like strokes, blood clots, dilated cardiomyopathy (think heart failure). There was a reason I wasn't sleeping for the first month of this.