“Why is gravity so cheap?”/“Because it’s mass-produced.”

A science riddle is:
 
Q: Why is gravity so cheap?
A: Because it’s mass produced.
 
The joke was posted on Reddit—3amjokes on January 15, 2022.
 
   
Reddit—3amjokes
Posted byu/Adghnm January 15, 2022
Why is gravity so cheap?
Because it’s mass-produced.
COMMENTS
Tuxedo_Muffin
This joke really pulled me in
     
Twitter
🍾 ʎɹɹɐqƃǝoɹʞɹǝʇʇıʍʇ ✨
@CocktailBarry
@AD48828231 Why is gravity so cheap?
Because it’s mass-produced.
2:47 PM · Jan 15, 2022
       
Twitter
Will
@WillFromSurrey
Why is gravity so cheap?
Because it’s mass produced.
8:29 PM · Feb 10, 2022
 
Twitter
Robert Merrill
@RobertMerrillIV
Replying to @ProfBrianCox
Why is gravity so cheap?
It’s mass produced…
3:04 PM · Mar 2, 2022
 
Reddit—Dadjokes
Posted by u/zelgadiss44 January 20, 2023
Why is gravity so cheap?
Why Because it’s mass-produced.
 
Reddit—Jokes
Posted by u/zelgadiss44 January 20, 2023
Why is gravity so cheap?
Why Because it’s mass-produced.
asromatifoso
The price is always dropping.
 
Twitter
Imtiaz Mahmood
@ImtiazMadmood
Why is gravity so cheap?
Because it is mass-produced.
And its price is always dropping.
11:39 PM · Jan 20, 2023