Leaving aside whether you'd want to have friends like that, there is still the out of having the "*" for emergency break-through.
In my experience, the least techo-savvy of my contacts are the ones who had the least problem in coping with my line's password. Their questions are never about how to get through to call me, but rather about how to set it up on their own phone line!
-- Mark --is two wolves and a sheep deciding what to eat for lunch. Liberty is a well-armed sheep contesting the vote.