You really shouldn't say that so confidently. I know for a fact that at least in the US military (well, DoD civilian analysts), they're using models like AlphaZ

You really shouldn't say that so confidently. I know for a fact that at least in the US military (well, DoD civilian analysts), they're using models like AlphaZero for theatre-win condition modelling. It's probably being used because it allows analysts to find better solutions and they probably started using it after winning wargames with it - both guesses on my part, all I know for sure is that they are using the tech to model westpac.