Proper closure and happy families even if gained mainly in the end is Tob's kryptonite as we've already seen with the Garth family. He refuses to even give Gwyn a finish to her weird af daddy complex and that family is still busted af even after being all together again.But the quest coming to an end would require Kinu to have some closure moment with Champ. And that would risk destroying Tobs' fantasy of a dysfunctional family. Horrible, I know.
If he did give one, you'd have to force it out of him like with Rindo's concubinage, and even then he'd likely slip some of his bullshit in there. Or even better (worse), make it Kinu's bad ending for the champ to be a good dad to her.