I think I understand why TanyaTonyaMargaret found the model for Zara a bit concerning.
My take is that it isn't about what size the model is or isn't. But that only one type of body is considered to be beautiful/acceptable,
Most women in their lives have dramatic changes in our body shape (puberty, pregnancy, menopause, etc) but only our teenaged body is considered the "ideal".
In a way the fashion industry and media advertises what it wants from women and it wants us to all look the same, act the same.
It isn't about healthy bodies or unhealthy bodies (too fat or too thin) as really it's about making us spend our time, energy and money on our bodies.
We are all so consumed with trying to fit an ideal that we can never achieve. All that time, energy and money isn't going into more important stuff, like politics, business, education and just being ourselves and happy.
I think the OP is noticing this for her female child, seeing that her teenage daughter is being groomed into this life of self-hatred. You all have shown in your posts that you think of yourselves as too fat or too thin, too tall, too short. Even worse, when women become the guards of this system too.
We should be thinking - what has the obese woman achieved, what potential and intelligence does the anorexic woman have? This is the important point.
Overall point to my massive rant - we are not our bodies, we can only control our bodies to a certain point. We are being pushed an impossible ideal, that none of us can achieve - it is sexist, ageist, racist (white, western, thin, tall, mid teen). The opposite is a non white, non european, short, fat, old woman - have you seen this woman being feted and acknowledged as being worthy and beautiful and have an equal place in the world?