The more time goes on the more I find myself wondering if Anarchism is perhaps our best choice. Capitalism is hilariously unsustainable and is currently helping to kill our planet in the name of next quarter earnings, and communist/Marx-inspired systems that have a central executive officeholder have horrifying tendencies to turn into dictatorships. At the very least, the idea of a central executive office only holds up on paper while in practice it usurps democratic processes as time goes on. The Imperial Presidency is the most visible example of this, as whoever holds that office in the United States has vast powers to make decisions with virtually no oversight.
At the very minimum, I think parliamentary systems are the only way to keep as much power as possible in the hands of the people when dealing with large polities and populations. At the extreme, I find myself considering that Anarchist thoughts are the best way to avoid the atrocities and abuse of power that all powerful countries in the world practice today.