...if she had asked them to describe any other group, like black people or women, they would have refused to answer. “But describe computer science majors? No problem!” she says with a laugh
The article is caged in PC language, but it's describing nothing but intolerance of a certain group of people.
You'll note that the theory of the unwelcoming environment is easy to debunk; if true, then law and medicine should also have very few women (they were historically unwelcoming to women). Yet somehow, those fields (full of high status men) are now about 50% women.