Banks are getting better at recognizing when they need to raise fees and which customers they can afford to lose.
When your bank doesn't want you - Yahoo! Finance
The head of JPM Chase's consumer and business banking is quoted in the article, saying that "People who don't bring at least $100,000 to the table in investable assets, loans and deposits will be largely unprofitable to banks once Dodd-Frank financial reform rules are fully phased in".
However, consumers have options, other than switching institutions and the article includes a few suggestions.