If there is no gas bubble in the bottle, it cannot expand due to pressure - liquids are incompressible.

probably because they already own it.

use some file system with snapshots and differential backups, like ZFS, and snapshot it daily. Stream the diffs somewhere they can’t login to and which doesn’t mount the FS.

This will invariably save their bacon at some point.

I think it’s possible media’s attention to scandal has made you cynical.

Most politicians do not do shady, illegal shit. Most “elites” (do you mean billionaires?) do not torture and rape people. Most law enforcement officers are just trying to do their job.

My perspective is from the USA. I understand many other places internationally have a culture of corruption and naked power structures.

So, maybe a good question so answers can be in context is, where are you from?