That may be a solution in the near term, benzdealer, but how does it help in the long term?
Political parties are an embodiment of human nature; they put self-interest above all other considerations. They function precisely as a thoughtful person would expect them to function.
The nature of parties is that their survival becomes more important than their original purpose. While a third party may correct some current abuses, it won't be long before they're committing the same abuses themselves.
Fred