I have to agree with this. I mean, if they had any chance here, it would have to be a Chapter 7, not a Chapter 11, as they would need to liquidate assets. But then again, CBS/Paramount with its judgment would likely be the top secured creditor (are judgments considered a secure debt? I can't remember).
And there is a chance a bankruptcy judge won't approve Chapter 7 liquidation, because all the revenue were generated from illegal usage of an intellectual property, if the court rules in their favor.
Also, if there is a settlement, I don't think Axanar or Peters could escape the settlement by filing for Chapter 7, or a personal bankruptcy.