From the article, Google can technically let AOSP still exist while destroying it in practice:

what could happen is that Google takes Android closed source from here on out, spinning off whatever remains of AOSP up until that point into a separate company or project… This technically means “AOSP is not going away”,

From the author, a sentiment I fully agree with:

If in 2025 you still take statements from big tech based on best intentions, you’re a fool.