More doodling around and I found this posted by Himself on practicalmachinist:
Re the z*ne, everytime the site is mentioned here it becomes a link back that increases their search engine ranking (from the most desirable relevant site on the web for metalworking linkbacks...i.e. PM), thus the ban on even discussing the place.
I suppose there is some validity in this reasoning but it doesn't seem to be working as I found with my test searches.