This was actually something I found quite interesting. I don't know if you read any of the original studies, but the tl;dr was if you are overweight (bmi 25-30) and you have the same disease as someone with a bmi of 20-25, statistically you were about 1.2 times more likely to live. If you were obese you were more like to die, and if you were overweight you were more likely to contract the disease in the first place, but once you had it, time and time again we saw increased chance of survival. I know fph is for indiscriminate hatred of fatties, but that doesn't mean science stops being interesting, and with sample sizes that big in reputable journals, this was far from a "no shit" moment. There could have been some very interesting results here. Maybe doctors give more medication to their fat patents. Maybe fatties get more attention because they are seen as a higher risk. Maybe having extra stored energy makes surviving in with hospital food easier for the host.  Of course in hindsight the answer was bad science, but it was bad science masquerading as good science, and really interesting stuff. I don't really have a point here, I just don't want to perpetuate the idea that because something seems to go against common sense than it must be wrong or there is   1000  nothing to learn.