The list includes an account used by an exchange: blocktrades.
I would highlight this in communications with exchanges. Most exchanges use the technique where transferring STEEM to a steemit account held by the exchange puts crypto on the exchange.
The willingness of Justin Sun to seize the assets of accounts used by exchanges should raise the eyebrow of anyone running an exchange. Clearly this shows Sun's willingness to hold the assets of exchanges hostage when he wants to force his way.