[0-_-0]

According to many people familiar with the legal aspect training on code constitutes fair use, so can't be prevented by any kind of license.

[andix]

Training, exactly. But the trained person or AI is not allowed to reproduce your exact code. But Copilot seems to do that from time to time.

[sobellian]

Sure they can, search engines produce copyrighted material all the time. The issue comes in when people think this somehow indemnifies them as users of Copilot - my guess is, it doesn't protect you any more than if you use a search engine to copy an entire codebase for your own purposes.