Because the inmates are running the asylum.
Edward Snowden released information about encryption keys being stolen by NSA and it’s UK equivalent. See https://firstlook.org/theintercept/2015/02/19/great-sim-heist/
One line in particular stood out to me in that very long article: They said they were not interested in cellphone usage in Somalia. This is all being done in the name of “national security” but they are more interested in my phonecalls and emails than the communications in a hotbed that’s exporting terror?
Defund DHS. Now. If/when the Islamists make another mass attack in America it will undoubtedly prove - once again, like the run-up to and follow-up of the Boston Marathon bombing - that the people who are supposedly “protecting” us are incompetent at best. And given that they and the foreign enemy combatant-in-chief at the helm are holding the door wide open for the terrorists armed, funded, shielded from justice, and excused by them... I’d say it’s more likely to be DELIBERATE failure.