The point of the article is not at all that it's immoral to portray girly-girls, but that it's immoral to set that archetype up as a universal ideal and try to

The point of the article is not at all that it's immoral to portray girly-girls, but that it's immoral to set that archetype up as a universal ideal and try to force all female characters into that mold. I don't know how on earth you got the former interpretation.