I don't disagree but the use cases Uber is talking about is not app functionality but for their analytics team (from the article):

- Build dashboards to monitor our business metrics

- Make automated decisions (such as trip pricing and fraud detection) based on aggregated metrics that we collect

- Make ad hoc queries to diagnose and troubleshoot business operations issues

None of those require real-time information, because there isn't real-time decision-making required from the information presented.*

With the exception of the "automated decisions", then I don't see the need.