Remember that one time Dean had a daughter.
And Becky drugged Sam and tricked him into marrying her.
And the Leviathan endgame was to kill all the skinny people.
And Castiel and Crowley, who are supernatural beings and should probably be aware that you can get into Purgatory and Hell simply by holding a “rogue” reaper’s hand, spent over a season (including flashbacks) trying to get into Purgatory.
And the weapons of Heaven plot that never went anywhere.
And I just