Privacy in what way? You just said you combined money from accounts after deposits.
Technically it makes sense. Combining deposits was done off chain, and the site was sort of a mixer, not a good one though because larger amounts would still end up linked through the cold wallet address.
This is inconsistent with the ~900 BTC dissapearing from dice.ninja into
1 of his PD deposit addresses, in the days before the heist none the less.