I don't know that "moral integrity" is an issue; Many of the models he posted here can be downloaded in SketchUp and Collada format from Google 3D Warehouse, and there are several models of 1932 Ford cars and components there.  The license there is  "a perpetual, sublicensable, irrevocable, worldwide, royalty-free, and non-exclusive license to reproduce, adapt, modify, translate, publish, publicly perform, publicly display and distribute any Content or derivative works thereof which you publicly post or display on or through the Services ".  He my have obtained the ones in question there due to someone posting them there illegally.  He is certainly not gaining financially by sharing at Rendo...