^ I meant to differentiate things a bit more, just as you did. B5 did have that darkness, but there did seem to be more of the hopefulness. When it comes to such philosophies, to each their own. I just think that the more pervasive sense of hopelessness ala BSG doesn't fit the B5 mold.
Otherwise, how could Lorien have ever made his well-known quote to Sheridan?