Scarlett Johansson's dispute with OpenAI over the use of a voice similar to hers in the movie 'Her' has reignited Hollywood's concerns about AI. The controversy has raised ethical questions about AI's role in the entertainment industry, despite OpenAI's claims that the voice was not intended to resemble Johansson's. Microsoft-backed OpenAI faces criticism from industry insiders and actors union SAG-AFTRA, highlighting the need for ethical guidelines in AI usage.