As a writer myself, if you can be replaced by AI, you should be. If you're capable of independent insightful thinking and writing, you won't be replaced.
"First AI had replaced SEO writers and I didn't care because I wasn't a SEO writer. Next AI had replaced journalists and I didn't care because I wasn't a journalist. Then AI had replaced my job and there was nobody left who would help me."
If your interface is text, then an increasingly improving text-based agent eventually wins. The same is true for other interfaces GPT can or theoretically could speak: audio-visual, decision making, generative programming, etc