Yes. Which is why I used a big population instead of a specific group of people. Going by BMI alone, majority of girls would be overweight! If we drill down to only US population, half of them would be either in the upper limit of healthy weight or overweight! So really, the tweets are just telling people to be healthy. What bothers be is that this is just like the Fat Acceptance movement. Only difference is that the opposition is in the minority.

As long as their body is kept moist, they're good. They breathe air anyways