I think it means how tight of a circle it can make but I’m not sure. The whole article is blow hard pro-business no matter what BS. One of the main reasons steering has been mechanical all this time is that if the vehicle loses power for any reason (like say: its manufacturer is POS that doesn’t know what it is doing) while at speed the driver can still steer and helps ensure control during an emergency.
Next article: Tesla obtains exemption for the need to install a manual parking brake. “Electronic parking brakes are lighter, less prone to breakdown and unnecessary if you value cheap over the lives of the consumer and anyone else that may be in the area when shit inevitably goes down”