But of course that isn't particularly the problem here. When something like this comes up and catches our attention, there is outrage until that specific situation is fixed. We all pat ourselves on the back for helping this one person and move on forgetting that nothing that allowed this situation to happen in the first place has been changed.
It's not going to stop all of them. Or most of them. Or even a whole lot of them. But there are going to be a few people reevaluating their approach.
The good teachers end up with students who should be punished but they're afraid to do it because they might lose their jobs for doing their jobs. The bad teachers will know to aim their abuse at the white males because nobody's watching for that and many who people picture that scenario think to themselves "Good."