KG, I don't see it as you do but I'm not emotionally involved with him.
I think he's a bit clueless to believe that after his less than stellar handling of leaving the marriage you're going to just get over it on his timeline. But putting that aside...
I read that he's searching for a place where you 2 can successfully co-parent your children. I think he's truly baffled. Have you told him not to use OW's name?
I think he does care but not in the way you want him to care. That's what grabs the heart and squeezes it. But the more you allow that realization to seep in, the easier it gets. At least that's been the case for me.
Give yourself some time and then come back and read what he wrote you again.
Me 57/H 58 M36 S 2.5yrs R 12/13
Let me give up the need to know why things happen as they do. I will never know and constant wondering is constant suffering. Caroline Myss