[WithinReason]

You could argue that if the author pursued enforcing their licence over those 66 people their code wouldn't have ended up in the training set in the first place. IANAL but I recall that you can't invoke copyright law to selectively enforce it, copyright is only protected if the holder pursues every violation of it. Maybe it works the same for enforcing a licence.

[teddyh]

> I recall that you can't invoke copyright law to selectively enforce it, copyright is only protected if the holder pursues every violation of it

IIRC, that is wrong. What you are describing is trademarks, not copyright.

[WithinReason]

Thanks, I wasn't sure