About 4- passengers have been arrested after fake bomb is discovered in a toilet on Air France flight from Mauritus to Paris

..wait a minute,doe look like a thing of fun or april fool kind of joke to place bomb on a commercial airline?....
The Air France flight from Mauritius to Paris had been carrying 459 passengers and 14 crew members when pilots requested an emergency landing at a Mombasa airport at 12.30am, a Kenyan police official said Sunday.However, nearly 20 hours after the emergency landing, Air France have now confirmed that the device was a fake bomb made of cardboard and a timer, possibly designed to start panic.' Six people are being questioned by authorities, one of them being the man who reported the package.
....do you think its  fun to place fake bomb in a commercial plane?....please share your views...