The discussion centers on the reasons for not returning to the moon, highlighting funding as the primary obstacle. Participants argue that while there are scientific benefits to lunar exploration, the costs associated with manned missions outweigh the potential gains compared to unmanned missions. The conversation also touches on the technological challenges of establishing a self-sustaining base on the moon, including energy and resource management issues. Additionally, the geopolitical context is mentioned, with countries like China advancing their lunar ambitions. Overall, the consensus is that while there are compelling reasons to return to the moon, practical and financial limitations hinder such endeavors.