But Dick Cheney stripped president Bush to a mere symbolic endeavor while upgraded his span of control as Vice with the executive power Cheney took from W. Bush before they went in office.
I highly recommend watching the movie Vice which gives a very telling report on these developments.
Some people say Bush behavior after his time in office is very typical for people that experienced severe gaslighting which manifests as a condition similar to Stockholm syndrome.
Bush was installed as President and kept in the dark because Dick Cheney had all foreign policies in his power portfolio.