We aint seen nothing yet. Wait till they pull the $1 peg from the money mkt funds. There will be banksters trading junk paper and equities on MM desks, then when they get smoked they will claim immunity as well....POOF all your "liquid savings" gone and nothing you can do about it. You gotta be nuts to hold more than enough to pay your monthly bills in a bank or enough to cover initial margin in your accounts at this point.
It is normal and customary for trustees of assets to post a fidelity / surety bond. I believe it is time that all traders demand and require the custodians of their funds and assets to do the same. If they default / steal / commingle or do anything you simply file a claim against the insurer and should receive 100% recovery within 60 days. It is paramount this become the standard practice for this industry. Currently the foxes are guarding the hen house policed by cowardly coyotes.