There's really no reason to make accusations like that without checking. We now have good tools for checking for AI prose and this ain't it.
Out of curiosity, which tool do you recommend?
I am the OP. I added some text while submitting so people know who the author is. Not AI generated.
But the real irony is that even the author points that their authentic work is under constant suspicion because "what if this is AI" has prevaded everyone's consciousness.