No one will ever see the inside of a prison off of this matter. FTX was deeply involved with powerful political contributors and those people can't be allowed to be subjected to depositions or other legal discovery. Key figures are on the lam and no one with the power to capture them will be tasked with doing so.
While the amounts involved are eye watering they are not large enough to destabilize to the US financial system, so the people involved need only resolve their various financial entanglements and wait for the story to expire out of the news cycle.