“What starts with an ‘O’, ends in ‘nions’ and sometimes makes you cry?”/“Opinions.”

A riddle was posted on Reddit—Jokes on February 21, 2019:
 
Q: What starts with an “O” ends with “nion” and sometimes makes you cry?
A: Opinions.
 
The joke is that most people think of “onions.”
 
       
Reddit—Jokes
Posted by u/ValarDohairis February 21, 2019
What starts with an “O” ends with “nion” and sometimes makes you cry?
Opinions.
 
Twitter
Ishan Dhawan
@ishanD_15
What starts with ‘O’ and ends with ‘nions’ and can make you cry sometimes?
~Opinions~
;_;
1:56 AM - 21 Feb 2019
   
Twitter   
Usman Shoaib Khawaja 🇵🇰
@usmanshoaib010
Q: What starts with “O”, ends with “nions” and can sometimes make you cry?
-Opinions
4:12 AM - 21 Feb 2019
   
Twitter
Dad Jokes
@Dadsaysjokes
What starts with an “O” and ends with “nions” and sometimes make you cry?
Opinions.
4:58 PM - 22 Feb 2019
 
Twitter
Dad’s Puns
@DadsPuns
What starts with an “O” and ends with “nions” and sometimes make you cry?
Opinions.
4:56 PM - 26 Feb 2019
     
Google Groups: Sailor’s Clean Humor
What do you call a sleepwalking nun?
Gary Phelps
Mar 15, 2019
(...)
What starts with an “O” and ends with “nions” and sometimes make you cry?
Opinions.
 
Reddit—Dadjokes
Posted by u/mithril21 May 10, 2019
What starts with an “O”, ends in “nions” and sometimes makes you cry?
Opinions.