We have just been reminded that this topic Q&A is about flat earth model.
So we are not following Zetetic process. We may see or observe planet, but cannot quite explain. Maybe this, maybe that, but we'll leave the subject unknown. You are right that is proper process that Mr. Samuel did not follow either.
This topic, as Mr. Samuel proceeds to the realm of rationalization - using conjecture and speculation to fit the observations in the Flat Earth model. As such you are correct. It is not proper Zetetic process, but rather using rationalization.
But that is point of Q&A. If you want to talk further about your point, maybe start new topic in debate forum?