Not playing is certainly possible but could be a losing strategy as well.
What is this? When has this ever proved true, despite being spouted throughout all history? It's such an easy, throwaway and meaningless sentence.
Please explain further. Replaced how? By what? What's going to happen to the humans in the next few years?
That said, your worry is one I definitely share. I guess I just hope more people think of ways they can try to ride/shape this wave, rather than stop/weather it.
On the long run, if your idea or app can be expressed as a flavor of a general GPT, you will not be able to compete with the AI gorillas. The space for AI startups is with custom, highly niched data or capabilities, that cannot be found in a general corpus, or that you can uniquely generate or control.