[phuff]

Most of the popular strategies for playing Diplomacy include telling people that the player is going to do one thing and then deliberately doing a different thing. Those strategies mean that essentially the player has to lie in order to be successful.

This means that essentially what we're doing with these kinds of AI experiments is headed into the: "How do I teach the computer how to lie" territory. And that seems bad for a whole host of ethical reasons.

[Armisael16]

They are doing no such thing. From TFA:

> In the full version, players can negotiate. DeepMind tackled the simpler No-Press Diplomacy, devoid of explicit communication.

[Tanath]

But you know that's the next step and it's going to happen.