1. This contractor complained about racist slurs
2. Tesla fired two contractors who were identified as participating in this
3. Tesla suspended one who drew a racist cartoon
4. Tesla did the usual corporate training stuff.
This news article is light on content, so I'm going to have to go read what new facts came about in the actual case and I really don't care enough to do that, so I'm hoping someone here has :)
If it was only that which I thought it was, then I'm not sure what should have been done instead.