It has to be legal to use legally acquired published information for a commercial purpose. That is not nearly the same thing as selling someone else's work. Tra

It has to be legal to use legally acquired published information for a commercial purpose. That is not nearly the same thing as selling someone else's work. Training a ML algorithm on published work is no different from me reading a tutorial on the web and using the new skills I learned to do something that makes me money. That is very different from reselling the tutorial as if I authored it.