Direct Democracy & Open source governance

[S.O.I]

They say democracy is the worst form of governance except for all the others.

Then why have we turned democracy into all the other forms of government?

http://en.wikipedia.org/wiki/Direct_democracy
http://en.wikipedia.org/wiki/E-democracy
http://en.wikipedia.org/wiki/Open_source_governance
http://en.wikipedia.org/wiki/Sociocracy
http://en.wikipedia.org/wiki/Wikigovernment