That's argument from ignorance. Just because we doesn't know a better solution doesn't mean there aren't any. Hackers build solutions. And as the above poster said, the first step to start building better practical solutions is to acknowledge the limitations of the resources and tools at our disposal.
Yes, and the US is a federal republic, with a very specific electoral system to boot...so many other types of democracy exist before we get to non-democracy lol
And I am arguing that undemocratic forms of government have been tried repeatedly and found wanting repeatedly.