Zoos are becoming facsimiles - or perhaps caricatures - of how animals once were in their natural habitat. If the right policies toward nature were pursued, we would need no zoos at all.
I always leave that for other people to decide, because some of the things I consider to be disasters are some people's favorite movies. And that's what I like so much, is that you never know. Something intrigues somebody and means nothing to somebody else.