Defensive fortifications are a monument to the gullibility of man. If someone wants in...
Not only that... but the motivations & loyalties for the uber-wealthy’s security details change the minute the SHTF. Recall the New Orleans police officers that simply walked away from their posts during Katrina? What’s to keep these retired Green Beret’s, Rangers & Seals from “renegotiating” their deals at gun-point?