That's certainly one factor, yes. But even before getting to that part I think the bigger issues for Big Corp legal teams is mostly around the legal ambiguity of the models themselves. What representations are made about the training data? What jurisdiction governs the license? If somebody alleges that the model infringes their IP, what rights does AT&T have?
Counterparty risk is a lot more straight-forward to evaluate when dealing entirely within the US, with US companies.
Counterparty risk is a lot more straight-forward to evaluate when dealing entirely within the US, with US companies.