Culture has a political element. Creating a new culture or building an authority over one would be as difficult as any political movement. Subcultures are usual

Culture has a political element. Creating a new culture or building an authority over one would be as difficult as any political movement. Subcultures are usually built around selling a product where there's plenty of incentive to put the effort in to make it happen. I think the young execute on a unique position to see the culture of their elders and actively choose to fill spots where it could be improved for their own benefit and drop customs that are no longer worth it.