"tongue posture doesn't matter"

The video likely resonated due to its relatable topic of self-improvement and facial aesthetics, presented in a concise and visually engaging manner. The use of a common misconception as a hook also likely contributed to its shareability.

The video features a person demonstrating the perceived negative effects of incorrect tongue posture, contrasting it with an ideal outcome. The creator implies that proper tongue posture is crucial for facial aesthetics.