When someone pretends they are opposed to another person, but they are not, and they actually just do it for
something.
Based upon the Brazilian series "Teatro
das Tesouras", that says that the politicians in the elections only pretend to be against each other, and they do not have an actual ideology, just hunger for power.
Guy: Why is he pretending to defend
something? He just wants to have that
thing!
Dude: Another actor in the scissors theater.