The 1b that happens with tech companies is different than calling a taxi and not taking it. In this situation Uber/Lyft is still able to charge you and so they won't feel as slighted.

> [1] If you no longer need your scheduled or requested ride, feel free to cancel it. You may be charged a cancellation fee in certain conditions.

[1]: https://help.lyft.com/hc/e/all/articles/115012922687-Cancel-...