Although I have enjoyed listening to the Future Of Life podcasts for a few years, I think this public letter is not necessary. I do respect the signatories I recognize on the letter and I welcome listening to them, I think that we are so many years away from any of real AI that this is, as Andrew Ng has joked, like worrying about over population on Mars colonies.
I have been heavily using GPT models for about 14 months, and it is crazy how useful they are. I am just finishing up writing a book on the general subject, so consider me a fan.