Jb6

Because when you import stuff to the U.S. it has to have the country of origin clearly marked somewhere. That's why it says Made in China.

This is basically what OrgVue does.

The difference is in the leverage. MBS blew up the economy because the banks betting on them were very highly leveraged and had more obligations than they could realistically pay out. An ETF is more akin to a share of stock in a company. The worst it can do is go to 0 and lose all value. It won't result in a 30x loss like a derivative would.