I agree that it would have to be clearly communicated. Ultimately it is up to Sduibek, just a suggestion. In New Vegas it is immersive, but I see your point, as the terminal as is currently has flavor text to try and help out the immersion, but I would just personally prefer to not be able to...
It would allow users that want to have a fully immersive experience to not have it be interrupted while accessing the vault computer, while still allowing the ability to change the settings. Perhaps if a rock would be too obfuscated some other subtle object could be chosen.
Perhaps a good compromise for immersion would be to rather than make the Vault 13 computer be the point of access to change the settings, some inconspicuous rock that will be able to change all the same settings put off to the side, it would be a little immersion breaking but so is being able to...
Ooh it's just music to my ears that lovely lovely Mark Morgan soundtrack, I suppose cause it's music :lol:! Fallout wouldn't be half as good without that soundtrack that keeps on going and going. Anything else like it?