Just suppose it actually works, and they get people up there and living there. And then everyone gets bored with the reality show that's just showing the same old things over and over, and their funding disappears.
There's no way to evacuate. They can't keep going forever, sooner or later the colonists are going to be abandoned.
And that assumes that nothing catastrophic goes wrong, when any kind of help is years away. They can't do a Shackleton and work their way home, they're stuck there.
Biting the hand that feeds IT
