> My data is on my SSD managed by an operating system whose source code I can read whenever I want. These days what we normally call an OS is really just anoth

> My data is on my SSD managed by an operating system whose source code I can read whenever I want. These days what we normally call an OS is really just another guest OS to the embedded OSes that are really running the machine. Yes, smuggling things out unnoticed would be hard. As you say, the problem is largely data on you held by others.