That all said, I was almost going to downvote your comment, but it made remember how much Uber actually has made a business model out of breaking the law in every country they are active in. Move fast and break things became move fast and break the law.
This seems illegal to me, but I really don't know. What are the laws surrounding race-based company promotions/discounts?
All persons within the jurisdiction of this state are free and equal, and no matter what their sex, race, color, religion, ancestry, national origin, disability, medical condition, genetic information, marital status, sexual orientation, citizenship, primary language, or immigration status are entitled to the full and equal accommodations, advantages, facilities, privileges, or services in all business establishments of every kind whatsoever.