Both of those mentions were hypothetical. I think it was said that the Saints are worth between 1.5 and 2 billion now, and would be more if a new stadium is ever built.
Losing the dome would be like losing Lambeau.
Drew buying the Saints isn't that far fetched. He and I have been discussing this, but we don't quite have the cash yet. For now it's on Drew, since he only has about a third of his half and he'll have to come up with just about all of my half.