Like I said, only in an anthropocentric sense.
How do you know fungal networks don’t write and read poetry under the forest floor? If they do—and we have no reason to doubt that they do—you wouldn’t be able to read them, let alone understand them.
The earth’s biosphere as a whole also writes code, just in DNA as opposed to on silicon transistors, why exclude the earth’s biosphere from things capable of abstract thought?
Slime molds and amebas might be able to reason abstractly to some degree but they can't write code or poetry.