I often wonder about this. It's probably a learned horror latent within me from a few of the agonistes of the female persuasion that I've walked the walk with. But, you know, I don't think war gaming is all that bad. Why would it be any different for us than it was in the 19th century when it was considered a leisure activity a grown man could be proud of? Maybe a little like this:
And I did recently observe this person driving down the road near my house:
So I don't think war gaming is that bad at all.