This seems like a sound approach in general to be honest. If they succeeed, tether should remain 1:1 USD. If they fail, the price declines to 0. So the typical

This seems like a sound approach in general to be honest. If they succeeed, tether should remain 1:1 USD. If they fail, the price declines to 0. So the typical unlimited downside of the short is plausibly negated by their own definition of success.