David Cameron led the campaign to remain, as did the government. Coulson, the press officer whom Cameron picked, and who you're trying to finger as part of some "overt" and "out in the open" conspiracy, also campaigned for Remain and frequently attacked people campaigning to Leave:

http://www.mirror.co.uk/news/uk-news/david-camerons-ex-staff...

How does this conspiracy theory even work? That Cameron's staff were secretly trying to lose whilst they were out campaigning to win? Because of an ex-employer?

That's not just illogical, it's completely incoherent. Think about what you're trying to argue there for a moment.