Yes, my point exactly. You'd like the clothes, the term women have decided to call them, and the women themselves to stay out of your mainstream. You want them to be Other.
You sound like a student soapbox politician.
I agree with what Astrid says above.
I wonder if women HAVE decided on the word 'modest' or if it's their religions' liturgical and cultural traditions (generally started and perpetuated by men) and their (generally male) rabbis/imams/elders who decided?
I am in fact quite happy at the idea of M&S and whoever else making these kind of clothes (long sleeves/higher necklines etc) more visible and easy to find. I am of no religion or religious culture but, as I've said upthread, like to wear long sleeves and long/loose dresses and trousers in some circumstances like holidays in the sun. I would happily (if it weren't for the term M&S have chosen) buy clothes from this selection for holidays. I'm pretty sure I couldn't do that if I wanted 'the women themselves' to 'stay out of [my] mainstream'; I would have to be out of my own mainstream to do so.

By the same token, I do not want 'these women' to be Other. Unless I could buy these clothes and still not be 'Other' myself.