Yeah, I know I've got my tinfoil hat on a little tight this morning. I haven't thought this one through very well, so feel free to tell me that I'm full of stinky stuff (just be sure to explain why).
If the Gov buys up banks and large shares of banks that are collapsing due to bad debt, they are going to want to reclaim that money. Anyone who has been in the Military knows that the government is slow to pay a debt they owe, but will leave you penniless if the mistake being corrected favored you.
What does the government do when they aren't getting money they feel you should be paying them?
Ask Randy Weaver, David Koresh (or any of other member of the Branch Davidian church).
In both cases the affected were accused originally of not paying NFA taxes. For the princely sum of $5

Neither of those cases comes close to the average mortgage debt, or the multiple tens of thousands many families owe on business, student, or car loans and credit cards with principle amounts in the tens of thousands of dollars.
What lies will the American public hear about you before they burn your house down, or shoot you in the dead of night while executing a no knock warrant (blank) signed off by a federal judge?
When pondering the finalization of the plan to buy up the bad debt, I hear the words of some Brit Parliament head of days gone by, "Best not". Indeed.
What do you have to say about it?