Have you noticed that the institutions created by The Founders of the US (Congress, SCOTUS, the military, etc.) are more or less loyal to President Trump, while the newer institutions (the two large political parties, the CIA, the FBI, the MSM, etc.) are not?
The CIA was created to advise the President, not the general public. And guess what? In most important instances, their "intelligence" has been completely wrong or intentionally slanted for political purposes. If the President chooses to ignore it, that's his prerogative.