Trump attacked the CIA and other intelligence services as being incompetent.
The incompetent attacking the incompetent. Sort of like the blind leading the blind.
Trump has no knowledge or experience with the nature, capabilities, and the limitations of intelligence gathering and analysis which is often more like figuring out a jigsaw puzzle with a lot of pieces missing than observing a complete picture. And he, for some reason, seems perfectly willing to accept what Russia says regarding intelligence matters and to repeat Russian propaganda.
Maybe we would be better off with someone that has decades of experience in dealing with sensitive intelligence matters. Someone that has seen the successes and failures and understands how both occur and what questions to ask when briefed. Actually, just having someone that pays attention to briefings would be an improvement.