Female-dominated professions generally doesn't suffer from lack of diversity at the top. There are less male nurses, but plenty of male doctors. There are less

Female-dominated professions generally doesn't suffer from lack of diversity at the top. There are less male nurses, but plenty of male doctors. There are less male teachers, but plenty of male professors. Etc. That is specifically what quotas for company boards deal with long term. Because a de facto career filter for gender is equal to the filer example you mentioned.