CRT is race based aggression

Agreed.

Exactly it’s a theory, not a fact or even proven. It’s drawn from critical theory which is based on Marxist teachings.

Yup

"theory" Has many different Meanings,

No not really. It pretty much has one.

Cambridge Dictionary:
/ˈθɪə.ri/ B2. a formal statement of the rules on which a subject of study is based or of ideas that are suggested to explain a fact or event or, more generally, an opinion or explanation: economic theory.Jun 2, 2021