That is marketing video from 2016, which many including the NTHSA criticized Tesla over, and which Tesla has updated documentation, driver prompts, and other marketing to reflect that the system is not "autonomous" infact if you look at the product pages they clearly say "full self-driving capabilities in the future—" this is also reflected by prompts to the driver, warnings to the driver, and the requirement that the driver provide feedback to the car they are in control...