We're really not. It hurts my soul so much to see that we have the tools and technology to solve so many of the world's problems... and we just choose not to.
Communism with the government as the central authority is just one style of communism, I think we could potentially use blockchain technology to manage all the assets owned by the entire community, with voting for the major decisions of those assets. If we were to start over, that's what I would try to advocate for.