Safety issues asside, no one seems to be pointing out that this product is unprotectable: nothing they are doing has any barriers to entry, so what is to preven

Safety issues asside, no one seems to be pointing out that this product is unprotectable: nothing they are doing has any barriers to entry, so what is to prevent a car manufacturer or anybody else from doing the same? Here's someone doing the same without any hardware: http://www.hudwayapp.com/ http://www.hudwayapp.com/ Also, that video is too smug.