Using `sq -p offline ...` results in unhelpful error messages
Consider:
```
$ sq -p offline store add 'justus' 'CBCD 8F03 0588 653E EDD7 E265 9B7D D433 F254 904A'
Failed to open the store:
Unmet network policy requirement: Encrypted
```
I think we can better explain what is going on.
issue