I am assuming this is hyperbole, but if it isn't, it should be noted that politicians aren't trying to blow up the systems they govern. No elite is. The situation where short-term interests systematically countermand long-term interests results from a mis-alignment of incentives in the system; it is nothing germane to government.
All large organizations...have a tendency to grow
Actually, no. They empirically tend to evaporate away. Most organisations have a desire to grow.
I'm Swiss, and yes, I agree that we have a damn good system of governance :). But it is very nuanced moderated democracy that exists in a specific environment. I am not so sure it would work in a more heterogenous society; we are having terribly xenophobic reactions to our Muslim minority.