Simply force the ledger to be public.
Simple to prove assets but not so simple to prove liability.
It's not like you can dox every single person and how much they own.
I don't mean to imply that the regulators aren't crooked.
I do mean to imply that there is not an explanation that makes sense.
If no one can even come up with a single scenario that even makes sense something weird is going on.
Likely 'los ricos' know when the plug is going to get pulled and are preparing for that.