[heavyset_go]

Human beings commit copyright infringement all of the time. People have been lifting riffs from music, sometimes unconsciously, forever. This is why clean room implementations are done sometimes when writing software.

Also, you're taking the machine learning metaphor literally. AI models do not "learn", they're just statistical models, they don't understand anything. There is no comparison to human learning that isn't superficial or metaphorical.

The real question is how Copilot is any different than a compiler, or lossy encoding or compression.