Questions about “Babushka security” and tons of answers, all of them wrong

I just watched a video for a neighbor of Motorola who explains that Motorola had no real protection, that it was easy to enter his building, that it was easy to enter into the elevator shaft and place a bomb there.  As for using a remotely controlled device, it was easy to build even for amateurs.  Bottom line: even poorly trained amateurs could have killed Motorola. Okay, the first time