>That day in the Family Restroom I threw a fit. Hurled my water bottle at the wall and screamed, "This is not OK!"
Oh please, calm down. Closed the tab.
Oh please, calm down. Closed the tab.
It could have been more clearly explained, and closer to the start of the article, but if you read the rest of the article you would have seen this.
Women (and other humans) are allowed to be angry about both perceived and actual injustice. TFA isn't even an actual emotional outburst. It's a reasoned account of something happened to the author.
Try to see what she's angry about first. Sometimes people are angry at what they think are gross injustices. Maybe she has a point.