Actually people are upset, very upset. They are trying to crowd source effort to bring Bitfnex to justice. The problem is they are rather unorganized bunch.

This is whole subreddit dedicated to Bitfinex hack: https://www.reddit.com/r/bitfinexcal/

And here you can find Bitfinex Lawsuit and Information Gathering thread: https://www.reddit.com/r/BitcoinMarkets/comments/4xd5km/bitfinex_lawsuit_and_information_gathering/