There is no "post-political society". Society is defined by politics; "politics" appear as soon as three people are in a room together. "Politics" is an active, controlling, and inescapable force that permeates every connection between those people, between you and me, and between everybody else around. There is no "post-political" society unless everybody's dead.

And, to make it really-real clear, it's not "petty" to refuse to associate with people who want to make life significantly worse for you and yours. It's defense.

The same argument could be made for irrigation systems and crops, open marketplaces, or technological progress. All are necessary entanglements in a society and allow a society to be and flourish, but I don't define politics as something so nebulous and impenetrable an idea, politics is more about the relationships,dynamics and interactions of people and their values, and if we all cared more for one another than for temporary gains we could achieve what one might call a Post Political Paradise

No such thing as a "post-political" society in which states and other enforced power structures still exist. You want a post-political society? Sounds like you're an anarchist ;-).