Cox didn’t speculate about the meaning of the engravings as he read them off, but he did say that one of them — “hey fascist! CATCH!” — “speaks for itself.” What precisely it said for itself, however, wasn’t so obvious after gamers pointed out that the message also included the control inputs for calling in a bomb strike in the video game Helldivers 2, in which players assume the role of soldiers in a satire of militaristic fascism. Was this an anti-fascist message or just a wink at gamers? (The supposed links between video games and violence, it must be...