Rick doesn't seem like much more than a war criminal. He has seen a lot, but that still does not excuse his actions.
He hasn't been right since talking with Lori on the phone after she was gone....if not before.
Carl was originally going to be the last one of the original group left alive. Now that's not going to happen.
It makes you wonder what direction they're ultimately going to take.
At some point, they could take it back to square one with Rick just waking up again.
Stranger things have been known to happen in The Kingdom....of Hollywood.