That's a nearly unique position among autonomous vehicle people. He's correct about LIDAR costs, for now. The question is: "How long is 'now?'" Unless there is something fundamentally wrong with the idea of MEMS LIDAR, Musk's statement is something like "Rotating memory will never be cheap enough for X" when SSDs are coming.

That does seem likely, considering humans don't have LIDAR...

Also Cornell University may have just proved this out: https://interestingengineering.com/cheap-cameras-might-be-ju...