You are just spreading FUD for the sake of it.
Snaps are updated automatically: https://askubuntu.com/questions/1262058/what-are-the-snap-equivalent-of-apt-get-update-and-apt-get-upgrade/1262059#1262059
Flatpak updates are usually integrated as hooks of the package manager (Archlinux handles this for you automatically, and I’m sure other distros do as well).
And on top of that, there’s also packagekit to handle all of this automatically.
One can have leverage over another person by threatening to harm oneself or someone else.
There’s been many cases in omegle of people threatening “show me your boobs or I’ll kill this pet”. If the victim complies, the agressor may continue through blackmailing.