It's because Russia isn't a particularly nice place to live. From the article: > Most of the girls we talked to from other countries had a slightly playful approach to Stem, whereas in Russia, even the very youngest were extremely focused on the fact that their future employment opportunities were more likely to be rooted in Stem subjects. They do tech because it provides a way of getting a good life. In the West, wh…
It does no such thing, because there is no universally agreed upon metric by which we can rank the degree of any given form of "conditioning in nasty patriarchal socities." It could simply be the case that, in this regard / with your example, this is a dimension in which the West is more patriarchal than Iran.