Probably has a lot more to do with the fact that a great deal of CS people are completely inept at social skills which excludes people who care about that, including a great deal of other men.
Who would’ve thought women don’t like overweight, neckbearded, fedora-tipping basket cases who see women as objects of desire? For every neckbeard that gets their ego bruised when women enter the field, there are 10 white-knighting and calling them “Mi’lady” and other such nonsense, who then get mad/sullen/sulky when their pathetic fumbling attempts at socialization fail.
Plenty of women in web design. Not really a coincidence when client facing web designers have basic or even superior social skills.