The unfortunate thing is, that best case scenario, they raise him and have good memories only to be ruined at the end when they pick him up. It will not be a happy ending, as of now.
Can see the redemption for the dad coming, but the question I have is if he didn't show affection because of tradition and what not then why did show it to Cosette?
Was that Kiera's perspective, was he manipulated or something? Really want to know.