Why would they waste time trying to explain? The problem lies with your understanding, not their actions.
But look, I've voted third party a lot, and I could tell you what other activities I do to make the world a better place. If I did, would you stop saying this kind of thing in the future? Do you promise?
Even if everything you wrote is true, none of it applies to the United States because we have the electoral college. Sorry, but it's not Europe, and we have our own weird system.