Because you are liable to be arrested, blindfolded, harshly interrogated, spat upon, and beaten into unconsciousness, only to wake up and face 5 years in jail. That's the fate of 26-year-old Moroccan computer engineer Fouad Mourtada, who in a statement said:

I actually created this account on January 15, 2008. It remained on line a few days before somebody closed it. There are so many profiles of celebrities on Facebook. I never thought that by creating a profile of his highness prince Moulay Rachid I am harming him in any way. I, as a matter of fact, did not send any message from that account to anyone. It was just a joke, a gag.

His trial starts next week.