This has been going on for as long as people have flown from airports, some countries (and airports!) more so than others.
And these are the people we trust with our, and our pax's safety?
I think the BBC actually missed the main concern here. If someone is corrupt enough to take items out, then a few may be corrupt enough to put items in for the right price, be it drugs, smuggling or other nasties. It has happened before............