>>lp4vn+e4
Do all automakers that now develop electric cars owe Tesla something as they cashed in once they saw Tesla's successful copyrighted material l?
A model is semantic, it contains the idea which is not copyrightable. Only how it is expressed could be copyrighted (i.e. if it outputs the copyright work verbatim). If this were not the case we would have plenty of monopolies and the world would fall apart.