Just a nit, but it's not "for SXSW" (i.e., temporary). Access via the Uber app is now the mechanism by which we're offering rides in Austin (and next, Atlanta).

https://waymo.com/blog/2024/09/waymo-and-uber-expand-partner...

Even the first sentence clarifies that it is an opt in. But at that point they already have your* click.