We all bring things to what we watch. I didn't find the main character at all dislikeable. She seemed like a normal person, struggling on in abnormal circumstances, which included who her husband was.
The direction was subtle, I thought; the tiny piece of Elizabeth Wilson we saw, looking cheery in the street, then as desperate cries and hands at the window, said it all.
"Our" Mrs Wilson , finding " belief" late on, and then seeing it all shattered by the little boy and his mother, this was so well done. My mouth was open as I watched. Moving... it made the calm" entering the church " scene with the ring totally explicable.
And as for wife number one, what else could she do at the graveside? A relative has said that it was " all left up the air".... well, it WAS, and still IS all up in the air, isn't it?