I liked it, found nothing wrong with it and did not "derail" or otherwise interfere with the flow of the film for me no matter how many times I've seen it.
Jesus, does nobody have a job or social life at the moment?
So you're saying that people discussing this are losers with no lives? And yet here you are ... you want to rethink that position?
As for Spock Prime, it was dumb, fan-wanky nonsense. These films are supposed to be a reboot, but throwing in a Prime timeline character goes against that. Imagine if in The Dark Knight Batman calls up Adam West's Batman for advice on taking down the Joker? That's how Spock Prime's scene felt to me.