Gus wants revenge on hector for the same reason he couldn’t seal the deal with the waiter. Because he lost the love of his life, and nothing else compares.
Whatever shred of jimmy that was left died when Kim left.
Kim tried to save whatever humanity she had by leaving, because she knows SHE is the one to blame for Howie.
How much of who mike is now is due to his son’s death?
Nacho’s father is free because he can accept what his son was, even as he grieves.
They’re showing us what loss is doing to all these fukked up people.