Michael Lee Johnson explains:
I recently ran a Google+ advertisement on Facebook that got all of my campaigns suspended. - Great.
The message from Failbook said the following:
P.S; Facebook - You Suck.
Interesting. What part of the TOS did a Google+ ad break, do you think?
Update Julio Fernandez played internet-detective and went on a string to find out. He set up a similarly worded ad on Facebook and just had it approved.