The Inca civilization was complex, with a unique social and economic structure. While there were hierarchical systems and forms of labor obligations, the Inca society did not have the same type of chattel slavery that was prevalent in other regions of the world.
The Incas practiced a system of communal labor called "mit'a," where individuals were required to contribute labor to public projects or to the state for a certain period. This system was primarily geared towards fulfilling collective needs, such as building infrastructure, agricultural work, or administrative tasks. While this system could be strenuous, it was not based on the ownership or exploitation of individuals as property, and individuals had the opportunity to return to their communities after fulfilling their obligations.
Moreover, the Inca Empire promoted a redistributive economy aimed at ensuring access to resources and basic needs for all members of society. Through a centralized administration, the Incas redistributed surplus resources, including agricultural produce, to various regions and communities based on their needs.
It is important to approach historical societies and civilizations with their specific cultural and historical contexts rather than applying blanket labels or comparisons based on modern concepts. Generalizing and oversimplifying the complexities of ancient civilizations can lead to misunderstandings and distortion of the diverse social systems that existed throughout human history.