The politicians only want to get to the office by various means, the point is however, that the public should be able to remove them from there at any time.
In other words, it does not matter how you select politicians, what matters is whether you can remove them form office as soon as they become too arrogant. European parliamentary democracies can do that (coalition government), but for all practical purposes there is no such mechanism in Amerika.
That is why Amerikun elections, like in good ole' USSR, are a Potemkin village, a storefront for public relations, and a participatory ritual to make people feel good and being in charge.
wojtek