I recall them saying it was too dangerous to release, funny how they are only saying that again as they look to IPO
Then, a few years later, they learned that Google and Anthropic were planning on releasing LLM chatbots to the public, so they hastily launched GPT-3.5-based ChatGPT as a "dev preview" to get ahead of them. Their original plan was to finish training GPT-4 before launching anything.
Commercial considerations -- and public glory -- triumphed in the end.
There are.. physical limits, as it were, which effectively restrict upper limit, but I hear what you are saying. A lot of the problems thrown at it and issues found in the process only seem to have helped. I feels ages ago when we were arguing 'it is merely a stochastic parrot'.