Don't do trial by (social) media. Especially when your accusations are incredibly heavy and damaging. Don't play judge when you are not capable of objectively looking at all the presented evidence.
Coinbase presented their side of the story: nothing went to court. No investigation found anything of substance. If the circumstantial evidence was so strong to hold up in court, why didn't it?
For the law, intent is of utmost importance. For (social) media, just "circumstantial evidence" of exhibiting patterns of discrimination is enough to act. It is not enough to act, if you are a decent person.