We'll see for example, how many "partnered" exchanges continue to allow anonymous accounts, the way bitcoin-central did.
If there's a market for it there's certainly going to be offerings, theoretically speaking.
Practically speaking, the person to person and otc deals exceed MtGox's volume at this time. To imagine that a tiny exchange integrating with the financial system does anything to that is quite the jump. They'll likely grow on the basis of completely new customers (people who would have never shown up on otc or mtgox anyway) and so extend the pie. They're not eating anyone's slice with this move.
In a few years, we'll only be able to message with their secretaries, while they are busy opening "a bottle of champagne" (paid for with OUR BTC) and celebrating at the country club with their old banking system "partners"...
Hi. I'm the PR for one. I'm here to tell you that it's not YOUR BTC. It's ours.
Here's the champagne.
