“What do two communists have in common?”/“Everything.”

A communism riddle was posted on Reddit—Jokes on January 14, 2018:
 
Q: What do two communists have in common?
A: Everything.
   
       
Wikipedia: Communism
In political and social sciences, communism (from Latin communis, “common, universal”) is the philosophical, social, political and economic ideology and movement whose ultimate goal is the establishment of the communist society, which is a socioeconomic order structured upon the common ownership of the means of production and the absence of social classes, money and the state.
 
Reddit—Jokes
What do two communists have in common?
submitted January 14, 2018 by S_FlimmyBoy
Everything
 
Twitter
Brooke Madden‏
@BrookeMadden18
What do two communists have in common?
10:24 PM - 13 Jan 2018 (Posted after the above, to which this links.—ed.)
 
Twitter
Best of Reddit‏
@BestoReddit
What do two communists have in common? : Everything
11:59 PM - 13 Jan 2018
     
Twitter
Just a humorous lil’ avian‏
@FunnyLilFellow
What do two communists have in common?
Everything
3:54 AM - 14 Jan 2018
 
Twitter
Ulta Chashma‏
@LoveLoLaughter
What do two communists have in common? 
Everything.
10:15 AM - 14 Jan 2018