I wouldn't say this is settled law, but it looks like this is one of the likely outcomes. It might not be possible to write a license to prevent training.
Isn't the court fight on fair use failing pretty hard on the prong that flooding the market with cheap copies eliminates the market for the original work?
Isn't the court fight on fair use failing pretty hard on the prong that flooding the market with cheap copies eliminates the market for the original work?