It’s Not a Bug. It’s a Feature

Here is a phrase that I have been hearing lately.  Originally (1970s) this phrase was applied to computer programing.  Instead of admitting there was a problem with the program, computer programmers would identify it and call it a feature.  So, the phrase is meant to make something sound better than it actually is.
I think most people are familiar with the term computer bug to refer to a problem in computer programming.  A bug causes problems with the operation of the program.  Do you know what the original ‘bug’ was?  It was a moth!  Grace Hopper was an early computer programmer.  In 1947, her program wasn’t working.  It was discovered that a moth was trapped in the computer which caused it to fail.  After that, if there was a problem with programming, it was called a bug.
“It’s not a bug, it’s a feature” was used as a joke by the computing community for many years.  Now that computers are a part of our everyday lives, computer terminology and jokes have also made their way into our lives.
The phrase is no longer just used to talk about computer problems.  Nowadays, it has been generalized to describe a situation with unintended benefits.  If something appears to be a bug (not good) but has an unintended benefit, we can say, “It’s not a bug, it’s a feature.” 
To give you an idea of how popular this phrase is, it has been applied to trade unions, dying flowers, Neil Young, memory loss and the apocalypse.  Can you think of something that is not a bug, but a feature?

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Reference:
https://www.wired.com/story/its-not-a-bug-its-a-feature/#:~:text=A%20standard%20joke%20is%20that,!%E2%80%9D%20is%20a%20common%20catchphrase.
https://en.wikipedia.org/wiki/Grace_Hopper#Anecdotes