

As I mentioned, using rustup
requires granting VSCodium more invasive permissions to get it to work. Furthermore, installing it would require layering system packages, which should be done sparingly. Using the Rust SDK is the recommended approach by VSCodium while using their Flatpak, and it is actually the simpler option.
There are plenty of options:
Even without any of those, the chances that you will be completely stranded with no one to help and no way to call emergency services are very, very slim. Privacy protects you from more likely scenarios, such as data breaches or identity theft.