For things like dubs and audio books, it could be useful for consumers to verify that their materials are authentic depending on how difficult it is to counterfeit the watermark, But I agree, it won't do anything to stop people who are trying to deep fake someone's voice.

I support completely banning Minors from purchasing of playing M rated games, if only so I don't have to keep getting my ass kicked by 13 year olds in CoD.