Just a brief observation.
The movie opens and tells us who the Good Guy is by showing us a teacher interacting with students in a open, conversational, vulnerable, authentic way. The teacher models curiosity. Students ask questions. The teacher answers them honestly.
The movie ends by showing us the Good Guy being a teacher, interacting with students, modeling curiosity and openness and vulnerability and authenticity.
There are no screens in those classrooms, although the classroom is not devoid of tech.
Knowledge is social; learning is relational. Tech is optional.