Would you buy a used car from this plan?

So George Bush has decided to go ahead and dump a preliminary $17.4 billion in public money into the two least successful "Big 3" North American auto makers. It's not obvious where that is in the Constitution but the President explained that "These are not ordinary circumstances." So apparently the idea is that something that would be unaffordable folly if you had money is indispensibly prudent conduct if you don't. I somehow missed that in economic class too.