But if everyone does this then it never gains the network effects to make it successful.
So you still need a lot of people to take the plunge.
There will always be people with more risk appetite.
How big would a niche have to be to be a "success"? Even if it targeted only fringe libertarians, there'd be enough of those on the world to keep it alive.
The current price might not be sustainable. But I'm pretty sure that BTC will eventually settle at some price.