The discussion focuses on the behavior of ions released from materials during the photoelectric effect, particularly regarding why materials do not completely degrade. It highlights that the grounding of the photocathode is crucial to prevent charging effects, which can halt photoemission quickly. The conversation emphasizes the balance between ionization and the stability of the material, suggesting that not all ions lead to degradation. Additionally, the role of the surrounding environment in influencing the behavior of released electrons and ions is acknowledged. Understanding these dynamics is essential for applications involving photoelectric materials.