Your question makes me wonder: does facebook want more traffic? Lack of traffic isn't the reason they're having trouble. The reason they're having trouble is

Your question makes me wonder: does facebook want more traffic? Lack of traffic isn't the reason they're having trouble. The reason they're having trouble is product/user mismatch. A really good idea will make them lots of money with their current amount of traffic. Actually more traffic just means more infrastructure costs (and probably more of the type of user that doesn't generate any revenue with fb's current products).