Yes but the point is that it was used to move funds to his personal address in the past. If you look through the transaction logs of this address you will most likely be able to find any private wallets he kept for withdraws. I'm just too lazy to do it myself. But there are records of major transactions from this address in the past (20000+ BTC) which indicates this was possibly his personal wallet at some point. Or at least used to move funds to a personal wallet