Copyright infringement is a tort. “Illegal” is almost always used to refer to breaking of criminal law.
This seems like intentionally conflating them to imply that appropriating code for model training is a criminal offense, when, even in the most anti-AI, pro-IP view, it is plainly not.
> “Illegal” is almost always used to refer to breaking of criminal law.
This is false, at least in general usage. It is very common to hear about civil offenses being referred to as illegal behavior.