Well, I put my phone in my hand luggage, or suit carrier, in the knowledge that technology has advanced sufficiently for a security scanner to penetrate a jacket, a bag, a suit carrier etc etc to see what’s in it. Arguments to the contrary which contain “different machines blah blah” without proper technological explanation are just bullsh*t.
Fundamentally True Blue (with whom I have not always agreed) had a poor experience at BFS security. Why doubt this? Instead of going on the defensive, try and figure out why this was a negative experience. Instead of questioning (inanely) knowledge of security protocol, put your hands up and say “yeah, admittedly in a potentially busy and maybe even stressful work environment, THEY GOT IT WRONG”. Not difficult Dog. Certainly about as difficult as scanning the contents of a jacket at a “modern” airport.