Those are not that. The first two are people complaining about other people incontinently identifying text as AI, because it's annoying to listen to unreliable hunches and aspersions. The second two are complaining about AI detectors not being very reliable. The claim made in the last one is a casual anecdote about "an AI detector", presumably told because it's amusing. It isn't a vehement statement about how you must accept slop into your life.
Yeah, intentionally or unintentionally there is often at motte-and-bailey fallacy flavor to their arguments. The motte is that it can sometimes be hard to identify AI writing, the baily is that we should accept AI wholesale and stop worrying about AI writing.
