Did the punishment fit the crime (Please read details.)

In regards to the following story from the NY Times which details the revelation by a Black student of a Snapchat video from a classmate that contained a racial slur:

https://www.nytimes.com/2020/12/26/us/mimi-groves-jimmy-galligan-racial-slurs.html

I have some sympathy for both sides in this issue which is why I think it’s worthy of discussion.

Please at least skim the article before offering an opinion.