Airlines will send you their luggage if misplaced

That's because airlines often have their own cargo/courier service which they can easily use for delivery; and everyone knows that even those lose packages at a nonzero rate.

One day Waymo will drive-off with your toddler and ask you to file for adoption if you want them back.

Your failed attempt at outrage sensationalism didn't help your argument.

> airlines often have their own cargo/courier service which they can easily use for delivery

That is indeed convenient. But not quite as convenient as having your own self-driving cars you can use for delivery.