The difference in wether you think ChatGPT is game changing or another overhyped LLM seems to come down to:
1) do you acknowledge prompt engineering is a real skill set?
2) are you willing to improve your prompt engineering skill set through research and iteration?
There is much to learn about prompt engineering from that “Linux VM in ChatGPT” post and other impressive examples (where the goal of is to constrain ChatGPT to only engage in a specific task)