let's talk about mean girls (not the movie)

Why is being a mean girl considered the worst thing a woman can be? Don’t get me wrong; I'm not encouraging women to be mean. But if a woman happens to be mean, whether voluntarily or not, why is it viewed as the worst thing she could be ? take care, i love you, sleep well, au revoir - aya 0:00 Intro 0:40 What is a Mean Girl ? 2:09 What is a Mean Girl based on Social Media ? 17:04 Why does this happen ? 19:17 Conclusion P.S. Here's my sources: 1.https://www.youtube.com/watchv=0IirD0s2xl4&t=1162s&ab_channel=Shanspeare 2.https://www.newportacademy.com/resources/empowering-teens/why-are-teenage-girls-so mean/#:~:text=Mean%20girl%20behaviors%2C%20also%20known,avoid%20direct%20conflict%20within%20friendships. 3.https://www.youtube.com/watch?v=1vzQlM_ibzc&ab_channel=FilmCooper