ライセンス違反を見つけたら著者がなんとかしてーって要求するのが最初の一歩かしら…
> Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made.
Attribution-NonCommercial 4.0 International
https://creativecommons.org/licenses/by-nc/4.0/deed.en
> ppropriate credit — If supplied, you must provide the name of the creator and attribution parties, a copyright notice, a license notice, a disclaimer notice, and a link to the material.
https://creativecommons.org/licenses/by-nc/4.0/deed.en#ref-appropriate-credit
ともあるので元の著作物に著者を明記しておくのも安心かもよね
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