Security isn't black and white. Maybe they aren't being as secure as they could be, but they're still more secure than someone who just uses a password. And may

Security isn't black and white. Maybe they aren't being as secure as they could be, but they're still more secure than someone who just uses a password. And maybe there's no real security concern at all, because both computers are desktops sitting right next to each other with the same user login credentials, so there's not really any reason why someone would need to cycle the key on one machine but not on the other.