And neither is choosing to act in a situation where the legality isn't clear.
I understand that OpenAI et al would like to assure all their investors and customers that there's nothing legally problematic with using an AI to launder away copyright infrigement, but we're going to need a few lawsuits to have the matter settled.
And valve leadership has made a decent decision of 'we don't want to be the ones being the defendants on what could be a costly and time consuming lawsuit for something they didn't make'
