Wisdom is personified as a human figure responding in kind to those who previously ignored her guidance. Because foolish individuals chose to scoff at the call to improve their ways, Wisdom will eventually stand aside and mock their inevitable downfall [עמנואל הרומי, ביאור שטיינזלץ]. This approaching disaster is not an arbitrary punishment, but rather the direct consequence of their own actions and choices [רלב״ג]. The ruin they face is a time of deep sorrow and misfortune [מצודת ציון]. Some describe this ruin metaphorically as a heavy fog or a dark cloud, representing a bleak and gloomy day of severe troubles [אבן עזרא, עמנואל הרומי].
When this dark day arrives, Wisdom will offer no pity to the sinners [מצודת דוד]. Instead, she will laugh at their pain and suffering [אלשיך]. The unfolding tragedy reveals a precise progression in both the suffering experienced and Wisdom's response. The ordeal begins with a deep anxiety about the unknown, a dread that sets in long before the actual disaster strikes. Only later does the tangible, physical ruin finally arrive [מלבי״ם].
Wisdom matches these stages perfectly with her reactions. First, she laughs, and then she moves to a much harsher and more severe form of mockery [מלבי״ם]. She does not merely laugh when the physical disaster hits; she already begins to mock the sinners during their initial stage of terror and dread. This relentless scorn continues until they finally meet their bitter end, entirely devoid of the wisdom they once rejected [אלשיך, מלבי״ם].