> Except my 1-sentence comment was not an AI callout that said: "Hey this is AI slop".

Not literally, but this was the thesis of your comment, regardless of your four words of validation.

> I admit it is perhaps unkind of me to not provide the laundry list of AI-tells in their article

Please don't do this. It doesn't matter.

> what explanation do I owe them?

What explanation do they owe you?