I predict the alternatives will get more volume with Bittrex acting a dick.
Every single exchange will eventually post you an attachment so they can suck your sperm out of your phallus and file you. None of them will become more free, they're all going to be squeezed for compliance.
We'll have to wait for properly decentralised ones to catch on, but even then most people will still want order books to play with which require third parties.