People can post their work wherever they want and close their gallery for any reason, but these decisions generally involve no  discussions with moderators and administration as described in the original post. It's hard enough just to get views, let alone the attention of the Renderosity overlords. 

Curiosity isn't an entitlement to an answer, of course, but it isn't out of line either in this case.  

Download my free stuff here: http://www.renderosity.com/homepage.php?page=2&userid=323368