“Why does lightning shock people?”/“Because it doesn’t know how to conduct itself.”

A lightning riddle is:
   
Q: Why does lightning shock people?
A: Because it doesn’t know how to conduct itself.
   
Lightning conducts electricity. The joke was printed in many newspapers in November 1966 in the syndicated “Riddle Box” feature.
 
         
Newspapers.com
20 November 1966, Indianapolis (IN) Star, “Riddle Box,” sec. 8, pg. 6, col. 1:
Why does lightning shock people?
Because it doesn’t know how to conduct itself.
 
Google Books
Jokes, Puns, and Riddles
BY David Allen Clark
Illustrated by Lionel Kalish
Garden City, NY: Doubleday
1968
Pg. 164:
Question: Why does lightning shock people?
Answer: Because it doesn’t know how to conduct itself.
 
Google Groups: alt.support.ataxia
One-liners, good and bad…
Michel Beaudet
Apr 8, 1996, 3:00:00 AM
(...)
Why does lightning shock people? Because it doesn’t know how to conduct itself.
     
Google Groups: rec.humor
RIDDLES (Part 1)
Nancy Carson
Feb 12, 1996, 3:00:00 AM
(...)
Why does lightning shock people?
Because it doesn’t know how to conduct itself.
       
Twitter
Stephen Spillane (He/Him)
@spiller2
Why does lightning shock people? Because it doesn’t know how to conduct itself #doylejoke 😉
6:23 AM · Aug 5, 2009·Twitter Web Client
   
Twitter
Steven Winterburn
@5tevenw
Why does lightning shock people? Because it doesn’t know how to conduct itself.
4:01 AM · Jan 30, 2010·Twitter Web Client
 
Google Books
Best Ever Classroom Jokes:
Because some of us never grow up
By Mike Haskins
London, UK: Pavilion Books
2015
Pg. ?:
Why does lightning shock people?
Because it doesn’t know how to conduct itself.
 
Twitter
~Thonia
@Abiso_la
Why does lightning shock people?
Because it doesn’t know how to conduct itself.
3:37 PM · Jun 27, 2020·Twitter for Android
 
Twitter
GNolan
@GNolan01
Why does lightning shock people? Because it doesn’t know how to conduct itself.
3:51 PM · Mar 1, 2021·Twitter Web App