I agree with most of this (I am not hate watching, but watching more out of habit.)
There are not only too many storylines, but some of them seem just randomly stuck in without being connected to anything. Sam's injury, the old chapel, Martha and her sister, etc. I wish they would have fewer storylines and at least have some connection between them all.
With so many storylines, only a few brief moments are given to each one. It's hard to care about the characters when we see so little of them.
What seems meant to be the main storyline of the season is that symbol of protectio