“Why are elevator jokes always funny?”/“Because they work on so many different levels.”

A riddle about elevator jokes has been printed on several images:
 
Q: Why are elevator jokes always funny?
A: Because they work on so many different levels.
 
“I think that elevator jokes work on many different levels” was posted on Twitter on September 25, 2011. “Elevator jokes work on many different levels” was posted on Twitter on December 3, 2012.
 
“Crime in multi-story car parks is wrong on so many levels” and “I farted in an elevator. It was wrong on so many levels” are similar jokes.
 
   
Twitter
Scott Lambert
@slambert
I think that elevator jokes work on many different levels.
7:13 PM - 25 Sep 2011
 
Twitter
Regular-sized Giant Woman
@QueerdoHealer
Elevator jokes work on many different levels.
12:10 PM - 3 Dec 2012
     
Twitter 
Tyson Dodd™
@TysonDodd
Elevator jokes are great on so many different levels.
10:55 AM - 3 Apr 2015 from Indianapolis, IN
 
Twitter
Famous Sass Master
@FamousSassMastr
What’s the best thing about elevator jokes? They work on so many different levels.
5:53 AM - 21 Feb 2016
 
Twitter
Kyle Preston
@chewgesundheit
Why is that elevator jokes are so funny! Could it be they work on so many different levels?
11:16 AM - 13 Dec 2016
   
Twitter
jo is free from school
@woonliqht
“wonwoo why are elevator jokes always funny?”
“mingyu not now-”
“because they work on so many difFERENT LEVELS”
“jesus christ”
1:45 AM - 28 May 2017
   
Twitter
Dad Jokes
@Dadsaysjokes
Elevator jokes…
They work on so many different levels
11:14 AM - 2 Oct 2017
 
Reddit—Dad Jokes
Why are elevator jokes always funny? (self.dadjokes)
submitted March 8, 2018 by Henri_Dupont
Because they work on so many different levels.
COMMENTS
MegaTankasaur
Elevator jokes always push the right buttons.
 
Mad_Juju
They always lift me when I’m down.
 
pepohno
Because they lift your spirits.