Hell, many HERE still refer to the issue as "handing the arabs the "port" security, when it was never ports nor security!
They rationalize their treachery with poll numbers and compalints about the Mexican border.
A candid few will admit to changing their minds once they educated themselves on the subject. The vast majority will remain ignorant and opposed and resentful of anybody pointing out their ignorance.
After four and a half years of successful leadership the president had a right to expect more loyalty than he got.