The LA Times wrote several in depth pieces investigating Tesla. It wasn't just what you've listed, it was far beyond what is acceptable at any employer anywhere.
https://www.latimes.com/business/story/2022-03-25/black-tesl...
https://www.latimes.com/business/story/2022-03-25/black-tesl...
- People used racist language and wrote that stuff places
- Immediate action was taken but then effectively rescinded (a guy was fired for being racist but brought back in a non-supervisory role)
- 'Soft' retaliation occurred: they were forgiving of people making errors but if you had previously complained, then one mistake would end up with you being fired
- Race-based task discrimination is claimed: Black employees cleaned while White and Hispanic employees took a rest break
At that point I stopped reading, since that was good enough for me to know that it is definitely more than I initially thought.