It seems like the common thread is that all of the accounts being mysteriously banned are old, and KYC rules have changed. Is it possible that this (the "you'r

It seems like the common thread is that all of the accounts being mysteriously banned are old, and KYC rules have changed. Is it possible that this (the "you're banned, make a new account" message) is just because it was too expensive to build a workflow for old accounts to enter updated info?