Because it could be used to generate spam, yes, and he was right about that.
And to set a precedent that models should be released cautiously, and he was right about that too, and it is to our detriment that we don't take that more seriously.
Helen Toner board member accused Sam/OpenAI for releasing GPT too early, there were people who wanted to keep it locked away for those concerns, which largely haven’t come true (a lot of people don’t understand how spam detection works and overrate the impact of deepfakes).
Company’s have competing interests and personalities. That’s normal. But there is no indication that GPT was held back for marketing.
And to set a precedent that models should be released cautiously, and he was right about that too, and it is to our detriment that we don't take that more seriously.