How could they protect themselves from A.I.?That was the question that Mike Masnick found himself fielding this summer in a WhatsApp chat with about 100 directors, actors and screenwriters. The group, including marquee talent, was worried about a grim possible future in which deepfake versions of actors perform screenplays written by ChatGPT.Mr. Masnick, a professional tech wonk, told his Hollywood listeners to work with what they had: Publicly shame projects that replace human labor with artificial intelligence, use state publicity laws against any unauthorized deepfakes and fight hard for contractual protections. (The fight is on: A.I. is one reason for the writers’ and actors’ strikes that have paralyzed the film and television industry.)But he also suggested that they capitalize on the technology. …