Why might the Olmec have carved their leaders heads in colossal size?

The Olmec likely carved their leaders' heads in colossal size to emphasize their power and authority, serving as a form of political Propaganda. These monumental sculptures could also represent the divine connection of leaders to the gods, reinforcing their status in society. Additionally, the large scale of the heads may have been intended to showcase the Olmec's artistic skill and cultural sophistication, establishing their identity and legacy.