What is the ultimate motivation here? If you don't think governments are acting in the best interests of the nation and its subjects who are they acting for?

'Big business' is a bit vague. Are you saying that leaders of certain businesses act together in a secret organisation with a secret agenda? What is their ultimate goal in the Machiavellian scheme?

Why do they allow transparent democratic processes to work? It would be much easier to pursue an evil agenda if the government was subverted as an autocracy or dictatorship.