The problem was not their stupidity and carelessness, (criminal enough when dealing with classified knowledge) but their hideously ARROGANT disregard of fundamental procedural rules that are primarily in place to prevent leaks due to (in the real world of real people almost inevitable) stupidity and carelessness.
This was an act showing Aristocratically Privileged Mentalities of the sort that destroy nations as a side of effect of “We are superior and special” mentalities.