One characteristic of most bail-out proposals is that the "customers" should be made whole when the financial institutions they do business with go bust. Sure, the Bear Stearns shareholders might take a big hit, but let's make sure that all those folks doing business can rest assured that the money they deposited with Bear is safe, and that Bear's derivative contract obligations will be honoured in full.
But why should the customers of financial firms get off so easily? After all, it is the refusal of customers to take any responsibility for picking sound companies to do business with that exacerbates the problems in global finance. Instead of selecting a bank, or financial firm, which has very conservative reserves and balance sheets, customers seek out those firms who offer the best interest rates, lowest fees, or a willingness to be counterparty to the riskiest forms of contracts.
This natural flow of customers to the riskiest financial institutions creates perverse incentives for the entire industry: if you don't compete with the most reckless of your banking competitors all your customers will leave.
This is a similar phenomena to the situation where consumers flock to the banks with the best interest rates and service for their savings accounts. Since the government guarantees your deposits anyway (as long as they are under a certain amount) then why should anyone care whether the lenders offering the best rates have the worst balance sheets?
Until the customers have suffered real pain, and seen their derivatives contracts go "poof" as their counterparties go into recievership, we will never get our financial system on a sound footing. It's the customer who needs to feel the fear of God, for the risk of losing their money, so they will have the incentive to start looking at other factors when choosing who to do business with.