UEFI allows us to create EFI stubs that combine the inititrd and other things into one little image that can be signed & verified by Secure Boot, and read by the UEFI boot-selection/loader. This solves most of the issues described. Like the article says, the issue is that Linux distros do not use those capabilities by default yet.

Isn’t the data that you seen in the profile, all of the data that Lemmy has? Or do you mean IP logs and history as well?

How does deletion currently work? Do all posts disappear when an account is deleted?

Is there some way to see a list of instances that are currently being federated with?