Why spartan killed the weak and deformed children?

In ancient Sparta, weak or deformed children were often abandoned or killed as part of their strict eugenics policy aimed at maintaining a strong and capable population. This practice was rooted in the belief that only the fittest should survive to ensure the strength and success of the state. The harsh societal norms prioritized military prowess and discipline, reflecting the Spartan commitment to a warrior culture. Such actions were seen as a means of protecting the community's overall strength and stability.