Doesn't Uber have a courier service too?

You would be equally as dumb to do that unless you are delivering from a commercial establishment.

https://www.nbcwashington.com/investigations/unfortunately-i...

https://www.freedommag.org/news/uber-drivers-used-as-unwitti...

https://www.dailymail.co.uk/news/article-13107193/Uber-drive...