A lack of training by the BBC
This sort of thing will happen again & again. Education about computers in schools is hopeless; for most it centers around things like trying to produce powerpoint presentations in a point and click manner without much thought and imparting little insight. Few are taught a bit about what is happening behind the GUI menus. Hardly surprising since most school teachers do not have much IT clue.
Talk to many about security and they will think of blocking porn sites and stare blankly if you press for more.
Companies are generally little better: assume that staff will muddle through.
Until some real understanding is properly taught this script will be repeated endlessly.