The polis also held itself high in importance. In the book, The Gates of Fire Rooster whose mother was a Messenian did not see a need to be honorable to Sparta and protect it either. Rooster would curse it and speak of the gods as if they were nothing. So in the novel Polynikes was going to kill Rooster because there is no need for someone who has no trust and honor for Sparta.
The Spartan society was one of a kind. There was no other polis that was quite like Sparta in the matters of how they raised their people. The society had two kings, one military and one religious. They also had the council of elders that helped make decisions. In Pressfields novel Leonidas was the military king of Sparta during the times of the battle of Thermopylae.
The polis of Sparta had a system, and overall it worked effectively. The men protected the city,