I had a similar experience with US Bank. Business account, over $50k lost; they said that they can 'terminate their relationship with me at any time for any or no reason whatsoever,' and didn't have to return the money.

The Fraud and Trust VP seemed shocked when I mentioned to her that it wasn't a big deal for me, and that I had my personal accounts with a credit union.

It's been 4+ years. I've written the money off.