bastion

For an idea that has come before, and has difficulty "being done right", the idea that socialism and communism is what comes next seems excessively optimistic - unless you mean in some dualistic or otherwise cyclical kind of sense.

It can absolutely be superseded, but the concepts underlying it cannot be destroyed, and it cannot be simply erased. Rather, those underlying dynamics must be incorporated into our larger body of concepts. Similarly, capitalism cannot simply erase the foundations of earlier systems, it must adapt to incorporate those concepts, and meet the needs which those systems met - or else those needs will become great enough that they impact or temporarily displace it.

Life was also never voluntary.