Signed packages have at least two advantages: 1. they can be signed 2. they can be analyzed (also at a later date if you keep them around) to figure out if an

Signed packages have at least two advantages: 1. they can be signed 2. they can be analyzed (also at a later date if you keep them around) to figure out if any "mis-feature" was added after the fact or came from upstream. Those scripts typically download all kinds of other things during the installation.