Hummmm........
Given the popularity of various elements of US foreign policy in some parts of the world, they might need it.
But on a more serious note: I suspect that the robo-trolls created will "vapourise" if exsisting users start to probe the comments made by the "Users" - The whole excercise could become hilariously counterproductive.
A potentially crass initiative that will be "Smoked out" before it really has any positive effect.
Echo's of Lord Haw-Haw or Tokyo Rose - The unspeakable promoting the unsustainable - it smacks of desperation -
The idea could be best left back in its box - The world has moved on.
CAT III