I like it because.......(spoiler)
....it didn't have a happy ending. I'm glad the world didn't come together, destroy the comet, and live happily ever after with a renewed sense of unity. Seeing the world act they way they did would be pretty accurate, and seeing the Mindy's waiting it out, like the rest of the world, was somewhat sad and chilling. Made me wonder how I'd live my last few weeks/days/hours if I were in that situation.
I am a little surprised that religion didn't play more of a role. There's will always be those who think the comet was sent by god to punish us. Wasted opportunity there.
22,740 years later? We can build something that last that long? Someone could build a ship like that and the world not ever find out? I am sorta curious why 22,740 was chosen as the length of journey for the movie.
I enjoyed the story and the cast.