I thought the Morgan episode was excellent. Sure it had very questionable writing but what episode doesn't have very questionable writing at this point? I thought it was fantastic acting by Morgan and Eastman and it was a great watch because of it. I can pretty much pick apart every episode for some serious flaws but at this point you kinda just gotta let yourself go and enjoy it for what it is. My biggest problem with the episode is that they introduced probably the most interesting character (Eastman) that they have in several seasons, then they kill him in a totally stupid way.
Anyway, i have a prediction. Maggie is going to head out on the hunt for Glen and get killed along the way only to be witnessed by Glen who we thought was dead, surprise! That will conclude the transformation of Glen from guy with hope for humanity to guy with no hope at all. Hence.....the death of Glen (as we knew him).