I would have bought Kripke not thinking it through before he sent Dean to hell. That was a major uptick for me and since then nothing I've seen has made me think Kripke isn't in 'full evil magnificent BASTARD' mode.

Sam not having considered? That would be unthinkable. Sam was possessed, I don't buy that for a minute- every single writer should be shot if they are going with that explanation. I'll load the rifles myself.