Echoing this. My daughter was anorexic and had to put on 15 kilos to get to a healthy weight. She was fainting, fatigue and periods dropping off, blood tests showed damage and issues with bone development. She even needed glasses (borderline) due to the stress she was putting her body under.
She was constantly complimented and people said she looked great. Her phone was filled with AI images of Korean girls with tiny waists. She had no idea this was impossible to achieve. She is 6’ and at this weight she looked more in line with her pals who were 5’3/5’4, in terms of width of arms, legs etc. She was size 6. So bang on the model range. The ‘tells’ were that she looked gangly, her shoulders looked oversized, she had no weight on her face aged 13, and her thighs were not much bigger than her calves - in other words, almost impossible to spot.
Happily she was able to weight gain and at the bottom of her normal weight she still had a flat stomach, and looked fab when standing solo. She was around an 8-10, so very little difference in dress sizes. But she suddenly looked big when standing next to her pals; her limbs were broader than theirs etc. When you’re tall, you are supposed to be bigger all over to be in proportion. Look at pictures of Blake Likely standing next to Anna Kendrick.
Some of the models shown look healthy imo, some have super skinny limbs, which at their height, probably makes them underweight. The image of the Olympian shows a person covered with muscles. I can’t see any hint of muscles on the images of the smaller models. When I trained seriously, we all took carb loading seriously, and had to consume huge quantities to ensure we had enough fuel to not become underweight. So it’s a bit of a weird comparison.