Best Practices?

"I live on Jupiter," the four-year-old announces.

"Oh really?", the enlightened mother asks, "And what do you do there?"
(Child Development 101 -- modelling the "ask open-ended questions" dictum)

"I do farting contests all day long."

At this point, the 13-year-old picks up the thread.
"You know, Mom, scientists have determined that the atmosphere on Jupiter is one continuous thunderstorm, so I guess if you lived there, you'd need indoor games."

The Experts tell us that good parents engage their young children in conversation at their level, whenever possible.  I wonder if this is what they had in mind.