Yes eg the ABC has more female than male staff now, the pendulum often swings hard...
As to women becoming aggressive its a known phenomen that the oppressed when give the opportunity become the oppressor's
"The oppressed, instead of striving for liberation, tend themselves to become oppressors.” — Paulo Freire
Unfortunately or fortunately the womens lib movement has meant many women who maybe didn't want to work have to now due to pressure from society or just to compete with other women/families who are in the workforce
I still think there are major differences especially in areas such as empathy and narcissism, so each sector will eventually be drawn to roles that suit those professions