Anarcho-capitalism, anarcho-communism, anarcho-primitivism, anarcho-etc. in the end anarchy is pretty much always unsustainable by its very nature as whole process of forming a hierarchical societies repeats itself
It can basically be summed up by this gif
![full](https://upload.wikimedia.org/wikipedia/commons/5/50/Cyclic16V_for_1300_Generations.gif)