In fact banks are providing "switch kits" to aid people who want or need to switch financial institutions. Additionally banks are providing "concierges" to assist customers to move and change over everything they have. (These Concierges only work with customers who have $250,000+ in assets to move!)

• Provide "switch" advice/forms online with follow-up processes to aid/inform people as to the status of moving all accounts.
• Banks lose 14% of their customer annually.
• Immediately push online bill payments because users of this service are 75% less likely to defect! 
  

Source WSJ article 8-14-03