I expect the downvotes are because rather than simply calling attention to and providing an interesting perspective on another area of weakness, you're also suggesting it's a mistake to address this one while the other exists, which suggestion isn't being well-received.
I don't need a diagnosis of my point. Perhaps I should explain further.
I'll say that it's more that the assertion that WhatsApp is a big issue is false. Civil servants know stuff is on the record, for example through screenshots from colleagues and the like which is a higher risk than actual control and security issues over WhatApp, so it's more of a distraction from the real security and ethical posture problems. Most of which occur though loose lipped jabbering to each other in the pub.
Security hygiene is terrible. Literally the worst. It scares the shit out of me if I'm honest.
If you think technology is a problem then the social issue are worse!