The basic idea and foundation of democracy is that all people share power. There's not a small group supposed to make all relevant decisions.
The basic idea and foundation of representative democracy is that these powerful people delegate some authority to a smaller group of people for practical reasons. A politician can and should spend much more time on political matters than the average adult should.
The power still flows upwards on the pyramid; its origin is in the people, and it merely gets delegated to the elected officials. A requirement for a German political party is a democratic structure.
Sadly, we've only got one political party (if any) that's really democratic. All others are oligarchic. The top dogs (about 5-20 people per party) decide on what shall be done and those who are supposed to be their source of power are mere followers; sheep.
The recent reorganisation of the FDP (liberals) leadership demonstrated this fact again, visible for anyone. The press isn't even being irritated by this oligarchic behaviour any more. A few top politicians decided who's going to be the next federal FDP minister (by constitution, that should be a chancellor's choice) and who's going to be the next FDP chairman (this is supposed to be the decision of the FDP national party conference.
This congregation of sheep has just confirmed the new party chairman. There was no other candidate. The majority in his favour was 95% - strictly reminiscent of Stalinist farce democracies and other autocratic states which generally publish such irritating results.
In the German political culture of today, journalists and commentators don't criticise this obvious oligarchic structure of a ruling political party. Instead, they comment as if such a vote was a good sign.
German politicians often complain about the lack of enthusiasm of the citizens for politics. Maybe, just maybe they should consider ending the farce democracy that's in fact an oligarchy and build a real democracy. That would be completely against the only politicians with real influence, of course; the oligarchs.