If there were actual earnings to distribute, adjustments such as you describe would certainly be appropriate. However, it seems likely that, in the aggregate, a

If there were actual earnings to distribute, adjustments such as you describe would certainly be appropriate. However, it seems likely that, in the aggregate, all investors (as a group) lost. So maybe getting back X% of principal is the only workable approach. And I don't know specifics. Perhaps they're taking stuff like that into account.