Elysium is the Prometheus of 2013 - a really interesting-looking sci-fi movie with tons of potential and an acclaimed director that ends up being very disappointing...except Prometheus still managed to be significantly better than Elysium.
The biggest problem isn't the extremely preachy story which borders on being insultingly simple (the little girl's story about the meerkat and the hippo good god) but the flat and uninteresting characters that result in you having absolutely no investment in or reason to care…