[ben_w]

> Even my kids would ask me questions when they were younger: "Dad, how would you destroy earth?" It would be of no use to anybody to deny answering that question. And answering them does not mean they will ever attempt anything like that. There's a reason Randall Munroe's "What If?" blog became so popular.

Sure. Did you give an idea that would work and which your kids could actually carry out, or just suggest things out of their reach like nukes and asteroids?

Now also consider that something like 1% of the human species are psychopaths and might actually try to do it simply for the fun of it, if only a sufficiently capable amoral oracle told them how to.