liberalism tends to see all of these issues as the results of the students being victims of something. She believes her students suffered from poor parenting and placed the blame on the families.

In her case, she's a brown woman teaching brown and black kids. She used to think the police were being racial in their interactions. Now she's like... Well they are hurting people and we can't help if the races of the perpetrators just so happen to be whatever

A whole slew of things she just changed her mind on essentially. She felt lied to by the progressive establishment. Moreover when she tried to do something or complain to the union, she was basically thrown under the bus. So her final bit of union sympathy also left her.