Medical conditions are not BS. People who weren’t overweight can find themselves gaining weight if their kidneys become impared kidney. Or those that have mobility issues due to leg problems. These are just two example. So before you judge all overweight people as the same...think again. I’m sure you know the old adage about assumptions.
The airlines have reduced the sizes of seats to install more seats for obvious reasons. What if this was a longshoreman, firefighter, etc? Would you feel the same?
Certainly immobility can increase weight if someone doesn’t adjust consumption.
The longshoreman/fireman comment is absurd. HWP people fit in the seats reasonably well. I am large (often 200+), but don’t take up anybody else’s space because I work hard to make sure it is hard weight. I could easily gain 40-50lbs of fat because of my metabolism, but I work at limiting caloric input and maximizing caloric output.
There is no “entitlement” to 2,000, 3,000, or any other number of calories a day. Michael Phelps could eat 12,000 calories a day and be slender because of his training schedule. Someone who is sedentary has to make adjustments on the downside or find ways of being more active. I’d really enjoy eating more than I do, but I don’t have time to devote more time to exercise and I don’t want to gain weight. If your level of activity and metabolism justify 1,500 calories a day, then that is what you ought to consume; if your level of activity and metabolism justify 12,000 calories, then that is what you should consume. It is no more complex than that for anybody.