[saturdaysaint]

These are early adopter products that are, for some good reasons, expressly aimed at a fairly small subset of wealthy and technologically inclined people. Given the nascent state of the technology and the extremely high liability, they probably wouldn't want all of their customers to drive this even if it was magically cheap.

In the medium run, like GPS technology, competition will drive the cost of autonomy down to practically nothing and it will be enjoyed by working class people for free.