I understand the delay is frustrating to you. I do not believe OpenAI is withholding anything “by class,” rather they have simply extended access to GPT-4 to the developers who have been actively using the API the most.
All developers should have GPT-4 API access by the end of the month.
https://help.openai.com/en/articles/7102672-how-can-i-access-gpt-4