I personally have yet to be refunded.
> Despite several email exchanges, Uber never agreed to reimburse her the extra money. But she disputed the charge with her credit card company and got back her $98. Uber then canceled her account.
https://www.miamiherald.com/news/business/article215299675.h...
[1]: https://www.miamiherald.com/news/business/article215299675.h...
[2]: https://news.ycombinator.com/item?id=17587952
EDIT: I found a way to re-open my support ticket with uber and linked them the miamiherald article - they then immediately refunded the cleaning fee.
https://www.miamiherald.com/news/business/article215299675.h...