Why is that funny

ok i was on face book and saw this, i do not find any humor in this. "borderline retarded" so i start laughing because i see people liking it, and commenting "HAHA" and i fell like i could make the same meme with a chicken saying why did the chicken cross the road ... to get to the other side... no one is going to think thats funny idk i love smoking this 420 blue dream. thanks for reading enjoy the haze