“What’s a pirate’s least favorite letter?” (computer piracy joke)

A sea pirate’s favorite letter might be “R.” “What’s a pirate’s least favorite letter?” is the subject of a computer piracy joke.
 
“I think a pirate’s least favorite letter would be cease-and-desist from a software company” was posted on Twitter on March 17, 2013. “Conversely, what is a pirate’s least favorite letter? An official ‘cease-and-desist’ statement from Sony/BMG for illegal music distribution” was posted on Twitter on December 6, 2014.
 
“What’s a pirate’s least favourite letter? Dear Sir, We are writing to you because you have violated copyright ...” was posted on Reddit—Jokes on April 8, 2015. The joke has been frequently reposted on Reddit.
   
 
Twitter
Jesse Rosten
‏@JesseRosten
@Chris_Dowsett I think a pirate’s least favorite letter would be cease-and-desist from a software company.
12:13 AM - 17 Mar 2012
 
Twitter
Lil Chancho frm 79th
‏@jobregonjr_rtf
Conversely, what is a pirate’s least favorite letter? An official “cease-and-desist” statement from Sony/BMG for illegal music distribution.
5:32 PM - 6 Dec 2014
     
Reddit—Jokes
What’s a pirate’s least favourite letter?
submitted April 8, 2015 by OldManInternetz
Dear Sir,
We are writing to you because you have violated copyright ...
 
Facebook
Funny jokes
May 9, 2015 ·
What’s a pirate’s least favorite letter?
Dear Sir,
We are writing to you because you have violated copyright
 
Reddit—Jokes
What’s a pirate’s least favorite letter?
submitted June 9, 2015 by saiko1412
A cease and desist.
 
Reddit—Jokes
What is a pirate’s least favorite letter?
submitted March 2, 2016 by absolutezero_01
Dear Sir/Ma’am
We are cutting your internet connection due to the following reasons:
Illegal Downloading
 
Reddit—Jokes
What’s a pirate’s least favorite letter?
submitted August 2, 2016 by pnvv
Dear sir,
Your internet access has been terminated due to illegal usage.
Sincerely, your service provider.
 
Reddit—Jokes
What is a pirate’s least favorite letter?
submitted December 5, 2016 by fishl3gs
Dear Sir/Ma’am,
We are cutting your internet connection due to the following reasons:
Illegal Downloading