It seems that Tether will survive - why, because they have so far. Not sure why, but I figure they bluffed their way to solvency?
https://www.justice.gov/usao-sdny/pr/manhattan-us-attorney-a...
So they must be "backed" by something, we just don't know whom or how, that allows them to keep their scheme running.
https://twitter.com/patio11/status/1580269516331720706
Still his reason to make that bet was the comedy of being proven right about how broken crypto is when he lost his money. And not for the opportunity to be proven right and make money.