“Why don’t communists ever learn?”/“Because there are no classes.”

German philosopher and economist Karl Marx (1818-1883), co-author with Friedrich Engels (1820-1895) of The Communist Manifesto (1848), preached a classless society. A riddle was posted to Reddit—Jokes on January 4, 2017:
 
Q: Why don’t communists ever learn?
A: Because there are no classes.
 
Similar jokes had been made before. “Students interested in eternal spring break should consider Karl Marx university because there are no classes there” was posted on Twitter on March 28, 2016.
 
   
Twitter
ダニエルpaupauアダオ
‏@nekonoob12
Karl Marx is happy
why?
because there are no classes tomorrow
*ba dum tss*
3:48 AM - 7 Dec 2014
 
Twitter
Jacob Cannon
‏@JakeTCannon
Finals Week should be renamed Karl Marx Week because there are no classes.
12:59 PM - 15 Dec 2015
 
Twitter
R Campbell Sproul
‏@rcampbellsproul
Students interested in eternal spring break should consider Karl Marx university because there are no classes there.
...
bye
8:57 AM - 28 Mar 2016
   
Reddit—Jokes
Why don’t communists ever learn?
submitted January 4, 2017 by earlofspain
Because there are no classes.
 
Twitter
Liquid Independence
‏@Liquid_f35
Why don’t communists ever learn?
Because there are no classes :D
via r/jokes
12:08 AM - 5 Jan 2017