An Apathetic Agnostic position on a speculative claim does not pretend certainty and is not interested in active exploration.
Chapter 11 of 30 Philosophers frames the Epicurean view:
“Epicureanism advise[s] apathetic agnosticism on such topics, suggesting we focus on enjoying our lives instead. A perspective applied to death too, …[part of] the Four-part Remedy.”
In common use, agnosticism is sometimes treated as a worldview, and sometimes it is topic-specific. TST adopts the topic-specific meaning. In TST, agnosticism is not a worldview.
An Apathetic Agnostic position withholds certainty about a topic and does not actively pursue the question. This is not necessarily rejection, hostility, or closed-mindedness. It is often a practical posture: “I do not know, and this is not where I choose to spend my limited attention.”
Toward astrology, an Apathetic Agnostic may simply move on. They do not need to keep debating it. Toward Valhalla, they may neither affirm nor deny the possibility of such a realm, but they do not organize life around it. Toward String Theory, they may find personal enjoyment in following declining the progress. In all cases, the topic remains unresolved and unattended.
Life is short. Apathetic Agnosticism protects focus. Where you choose to spend your attention matters. Not every unknown deserves equal investment from every person. And, for everyone, the apathetic agnostic position is the default “before you explore” position for new topics.