Talking animals are popular for two obvious reasons:
- They’re cute.
- Everything they say and do is probably about us.
Good science fiction is very often social commentary about “real” things dressed up in a way that is both close enough to the truth, and complexly unique enough to be its own brilliant thing. Which is why the odyssey of Bunny Police Officer Judy Hopps in Zootopia is socially conscious science fiction storytelling at its finest.