No one wants to stop what Copilot is being sold as. They want to stop the company selling it from doing what it is famous for doing.
That's the pitch. You're renting a pair programmer.
If your pair programmer is stealing code, you're going to have a bad time. This has nothing to do with...whatever you're on about.
Seriously though. Did you click the wrong reply link?
Also to your other comment about copyright not being an issue if you just use a paragraph from a book - I am not a lawyer but I would think that copyright applies just the same way it applies to musicians who use portions of the melody of other musicians’ songs.