>>102979981>hiding my salt
Oh no, I'm plenty salty, just not over the shipping stuff.
I'm salty because if at the end of the day you adventure throughout the world, solve people's problems, resolve other people's nonsensical grudges, and move on when they don't need you any more, what does that make you?
Don't get me wrong, this is a common theme in stories, but usually there's a reason for never sticking around. Either because they'd attract too many greater evils if they stuck, or that they'd caused too much trouble for their travel companions for it to not be too painful to stay any longer.
With Finn, there's nothing. He adventures with his dog with slightly, but noticeably, less enthusiasm each time, the side characters do horrendous things to him, and they bond to get over it. And then he walks away, forever.
He has no long term goal driving him.
There are no hooks for him to stay, yet nothing too painful for him to keep going.
Noone cares that he keeps walking on, and nobody asks what he's even doing it for anymore.>purgatory for crimes he never committed
Doesn't imply he's being punished for witnessing his exes get together. It implies a debt he can never pay off, an eternal repetition with reason or catharsis.
TL;DR The way AT ended, Finn with all his enemies and allies, meant nothing. His deeds are forgotten almost immediately, as are his mistakes, and his journey has no reason, not even that of whimsy for discovery anymore.
All journeys must end, otherwise the nomad lifestyle was your final destination, one you settled into long ago.