Both elements are truly necessary for a player to be deemed "Dependable" In my mind.
Very good point. We actually have a similar thread some of us were discussing that kind of thing, Melodramatic Role-Play Gamers
. I think it is worst when the Dungeon Master allows players to be undependable and then expect the active ones to be happy about it. Yeah, there is real life issues but then say that, don't just keep us guessing.