Is legal the same as legitimate: AI reimplementation and the erosion of copyleft

2026-03-10

The AI-assisted reimplementation of the `chardet` Python library has sparked a debate about the intersection of AI, copyleft, and open-source ethics. While prominent figures argue that the reimplementation is legally permissible and promotes sharing, mere legality does not equate to social legitimacy. There may be more “copyleft” protections in the future as a result.