==Unsourced comment== 
 "However, the joke is seen by some as being disrespectful of indigenous cultures, and the joke designer issued an apology which was posted on the Coursera class page for 'Aboriginal Worldviews and Education.'" 

 This statement is unsourced, and it really needs to be sourced, because otherwise anyone can simply make up that so-and-so party was offended. Was there REALLY widespread offense here? If not, this statement should be removed. If so, then woe betide us!