Why video game performers want their work protected from AI

For hours, motion capture sensors tacked onto Noshir Dalal’s body tracked his movements as he unleashed aerial strikes, overhead blows and single-handed attacks that would later show up in a video game. He eventually swung the sledgehammer gripped in his hand so many times that he tore a tendon in his forearm. By the end of the day, he couldn’t pull the handle of his car door open. The physical strain this type of motion work entails, and the hours put into it, are part of the reason...