What about the copyright issue? You can’t mimic the voice of a narrator without their consent. OpenAI landed in trouble after using Scarlett Johansson’s voice in a demo.
https://www.theverge.com/2024/5/20/24161253/scarlett-johanss...
https://www.theverge.com/2024/5/20/24161253/scarlett-johanss...
But some people could have mistook it due to some regional accent similarities, though it would be akin to interpretation of any light southern drawl with a similar timbre as being SJ.
Sounds like SJ has a better legal team that OAI did.