It actually may work. But not because aliens will come to save us—there is no time. But because any signal we send in space will reach any star before intelligence explosion wave, and thus aliens may know potentially hostile nature of our AI.
Our AI will know all this, and if it wants to have better relation with aliens, it may invest some resources in simulating friendliness. Cheap for AI, cheap for us.
It actually may work. But not because aliens will come to save us—there is no time. But because any signal we send in space will reach any star before intelligence explosion wave, and thus aliens may know potentially hostile nature of our AI.
Our AI will know all this, and if it wants to have better relation with aliens, it may invest some resources in simulating friendliness. Cheap for AI, cheap for us.