Social encounters, roleplaying or interacting with NPCs is crucial to roleplaying, it’s one of the ‘three pillars’.
Further reading: Let’s Design an Adventure: Encounters and the Three Pillars
Reference
E. Schea, M. (2018). Sly flourish’s return of the lazy dungeon master. Sly flourish shop
Highlights or timestamps
Return of the Lazy Dungeon Master Highlights
- Interaction with the NPCs is one of the three components of all our fantasy roleplaying games.
— Pillar from Return of the Lazy Dungeon Master highlights