Health is relative. Health isn't an absolute boundary between healthy and unhealthy, that's silly. Health is a polydimensional spectrum. If you want to categorise health "objectively", well then seeing as men live shorter than women, we'd be forced to classify maleness as an illness and put every man in the world on estrogen pills. And that's ridiculous. No, health isn't a single standard that's the same for everyone.
Health isn't a point, it's a direction. Like South. South is a direction. I see Americans say all the time that they're from the south. They mean Texas. But I live in Australia. From my point of view, they're from the north. But it's not like they're lying. In terms of America, they're from the south. It's true.
Health is like South. If you've lived your entire life overweight with poor health, then getting healthy can mean a lot of different things. If you start jogging once a week and get healthier, well congratulations, you got healthy. It's relative. It's unreasonable for you to demand somebody in that situation meet the ideal of human health. If you do that, if you belittle their progress and say the best they've done in their life isn't good enough, you'll kill their motivation and ruin what little health they've achieved.
And if you go around saying there's no such thing as health at every size, well then I'll tell you there's no such thing as men's health, because being a man is unhealthy. The two statements are equally ridiculous.
Okay you're still saying someone can't be overweight and healthy, so like I promised, I'm gonna assert that there's no such thing as men's health. Being male will make a man die sooner. We need to give all men estrogen pills immediately and make sure they stick to the regimen. Being male is not okay, it's bad for you and it's driving up insurance costs for the rest of us. It's selfish. Making bad choices out of stubbornness and pride while everyone else pays. That's not okay.
Please note these are not my actual views, I'm just applying anti-HAES logic to other parts of our bodies in the same manner.