Isn't this against Wiki's policies? 

http://en.wikipedia.org/w/index.php?title=Talk%3AAl-Khwarizmi&diff;=42502059&oldid;=42453735 This user(Iranian Patriot) has been sending out extreme anti-Arab hate messages like these, completely un-sourced, fabricated propaganda, and have nothing to do with the subject matter. He just put it to bait in users for a flame war...can something be done about this?