training on OSS may be considered fair use (that hasn't been challenged in courts yet, but it would probably hold). But that says nothing about its output bein

training on OSS may be considered fair use (that hasn't been challenged in courts yet, but it would probably hold). But that says nothing about its output being fair use, and that definitely won't hold up in court anymore than the output of a human retyping a novel word-for-word would hold up as fair use.