Dark Elixir? Why not Bright/Light Elixir? Just Gold? Why not Dark/Bright/Pure Gold?

Well Elixir can have a new buddy but Gold is a loner so why not Dark/Bright/Pure Gold? #NOLONERWILLBEINMYSIGHT

Answer: Because SuperCell is not a team of robots that can implement so many types of resources.

Whats the point of it?