I'm sorry, Bitfinex asks users?   

"Ask" implies users have a choice in the matter.  They aren't asking shit, they're taking it whether their customers like it or not.  Using the word "ask" is just trying to put a positive spin on a bad outcome.  Theft is theft, call it what it is.

And just in case it needs to be said again:

Rule #1 of Bitcoin is that if you don't have control over the private keys, you don't have control over your bitcoins.  Exchanges are not banks.  Don't trust others to keep your bitcoins safe. It's your responsibility.