Equal treatment refers to behavior not reasons behind behavior. If he treated all students the same by calling them by their last name, it is equal treatment even if it was born from a bigoted thought. I think I have explained myself clearly on the name part which is the only thing I am curious about in this situation. I will lose no sleep nor tears if this guy never sees the inside of a classroom again.
So where is this established he ONLY called out this one student by their last name? That would be clear discrimination but that is not what I have seen described in articles.
I also must say, that it feels rather disturbing that by pointing this particular aspect out, people are putting this into "for" or "against" camps very easily. I am thinking this is the nature of relations between minorities, LGBQT, religious subgroups and people in power in the US. How easily for not only hate to rise up, but also strong reactions as a seeming way to fight back. While I suffer no hate group, extremely dislike "the middle" conversations, and reject calls for seeing the other side of a discussion regarding inequality, my thoughts going forward is where does the sticking point become for people. If it is not actions, then it means that the sheer fact that this guys is biased earns ire. I am ok with that, but don't find it right that when talking about actions, his is not being described accurately.
I didn't see your post as an attack, just a broad attempt to put people in camps. I put that into my response as to ensure not being put into box/camp. Putting people in camps or boxes is an easy way to dismiss entire arguments because you have felt you defined a person and have disregarded the talk they put forward. Which I find telling as again, you characterize me as obtuse and deflecting but stated the teacher did something to only one student, which I had not seen in any article.
If this is going to be what a conversation about a charged topic is going to turn into, I will stop posting but I really hope you can see clearly how the behavior I described about putting people in boxes or camps is not only a negative tactic but was also used by groups trying to stifle discussion.