For those of you who have more experience in this I would like to share with you the post I just saw:

It strikes as AI generated but I've run it through copyleaks and quillbot where it appears as 0% AI generated whereas gptzero says: "We are moderately confident this text was AI generated" with an 81%.

It's his first post, so maybe soon to tag him but I think it is worth keeping an eye on him. I don't know if he's used one of those "humanizers".