Personally, this event is useless. But to me it looks like an experiment SC is doing. They are probably trying to see what will happen if they introduce another level of collector, what will happen to the economy. Easy way to test this is giving bonus elixir (since theres less impact of introducing huge elixir input than gold input to the system), give everyone quick raid (1 gem barrack boost), speed up everything and just see how double elixir would go.
Just want to think a bit about what this new event is here for...

