It's a catch-all in case any single service is badly configured. This often happens while people are fiddling around trying to configure a new service, which means they are at the most vulnerable.
Self-posting this, mostly to hear if there's anything wrong or suboptimal about this solution. I've been using Nix for a bit, but I'm almost completely new to Rust.
I assume so, because I've done it (repeatedly) and there's never any glue involved. The Billy book cases used nails for the back board, but it's easy to get those out by tapping the board from the front.
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