How hard could it be to synthesize that with deepfakes?
Business-wise, it would be a disaster. As soon as it was discovered (or disclosed) that the trainer saying, “Good hustle, Janet!” is an AI robot, Janet is not going to react the same way.
I'm used to Siri talking to me already. Although she rarely says my name, if she were cheering me on during a personalized workout, I'd be lying if I said that wouldn't be motivating.
My fitness 'workflow' is pretty well established, and it's Apple Watch centric already. If this Fitness+ business will count my lift reps for me, I'll probably get it.