Slip and Turn, you have proven time and again on ATC threads that you don't know what you're talking about. I recall in the past you trying to argue separation standards with a Heathrow tower controller.
A simple use of Google (other search engines are available) would find the cost of the Swanwick centre was around £640 million and not a "couple of billion".
I am sorry to say you come across as an agitator with a general interest in aviation but no professional background in the industry so why are you so vociferous in your attacks when you appear to speak from a position of ignorance?