Facebook supports all ads placed, no matter their origin or content, in an effort to strengthen freedom of speech which of course is more accurately freedom of bullshit which of course is ultimately to support his freedom to pursue the god of green.

ex. (talking to a friend on fbook chat)

person 1: hey man whats going on tonight
person 2: i gotta go to the bathroom il poopt you

or

person 1: whatsup man what are you doing?
person 2: poopting you