Uber should have just put two people in the car and taken their phones for the duration of the shift. Totally foreseeable in hindsight which is awful considering someone died.
I do think civil liability is appropriate, and uber Settled for $9.7 Million. (it looks like the family is also suing the city and state.) https://www.azcentral.com/story/news/local/tempe/2019/03/19/...