I think it works great because they lose their "father" in Pike and Kirk discovers he's not ready. It's an amazing picture, because without the guiding force of the father's hand (Sarek, and Pike) Spock and Kirk devolve in to their worst selves and only realize that they affect their family that it makes them stop.I also think this is why Into Darkness doesn't work. It's no longer about "bringing the family together." In that movie, it becomes about their adventure as a family. So all of the "stupid" details in (2009) get amplified and look and feel worse.
See, that stuff would work if it felt like that was the point of the whole season. But, the pacing drags on too long. If that were to be the story, then get rid of Vadic and have the Borg threat known from the beginning. That Jurati tried to stop it but her forces were overwhelmed. Flashback to the Borg Cube ignoring the Enterprise D after Best of Both Worlds part 2 if you want that connection.To me, that's exactly what Picard season 3 is about. It's about Picard realizing he's a father. It's about Riker believing in having a purpose again. It's Riker and Troi realizing the effect their son's death had on their outlook on life and each other. It's about all of them realizing they are a family that's been separated for too long, and it builds to that moment where they're together again on their rebuilt old home.
There's a reason why I put Season 3 firmly in the average category. There is a lot of promise in the character set ups (aside from Shaw and Picard and Riker early on) that just don't land by the end. It's about family, but, well, that feels too haphazardly thrown in with the mixed threats.
But, when it's on, with Riker and Troi, with Geordi and Picard, it's on. It's just let down by the surrounding story.