Plus once made people can erase the “its a fake” caption and disseminate it as authentic.
Not a smart move and a not very funny joke. Why not use the real picture?
They'll do that anyway. They will not allow any contrary evidence on the table, no matter what. The Swifties presented a solid wall of blistering fact, sans parody, and for thanks the press turned their group name into a cuss word, which is now bandied about liberally (pun intended).