[ Jack's always been kinder to other people than he is to himself. Castiel can do no actual wrong in his eyes, at least not in terms of anything that is unforgivable. He has done wrong, that much is clear, but he still turned into the father that Jack needed. He stepped up. So he will get endless leeway. ]

Billie, the Grim Reaper, wanted to do the same. And from what I know of most people, like my uncle, all they wanted was Chuck's love too. He created all these beings to love him and it somehow wasn't enough for him.

[ Jack would settle for being loved by a handful of people. He thinks the love between God and his creations is toxic, based on what he's seen of his grandfather. ]

It makes me sad. He couldn't always have been bad, right? But that's what I had hoped about Lucifer, and I was wrong.