Point #1:
Cryonic's appearance is vital to it's success. And if people created a for-profit interest scam to make money while they were dead it would lead to a media assault on us. It would make us all look like crooks.
We're still suffering from rumors that cryonics costs millions of dollars. So why give our haters more reasons to attack us?
And George: Sure an article about future possibilities like this won't create controversy, but if this actually happened it would.