He needs to escalate it
Try contacting this person, he will get it sorted.
https://twitter.com/yosp
Need to get past the minions and onto the big cheeses.
If Sony CE agree he has been hacked they should allow him access to his games, someone should be ashamed of themselves.
This is now negative publicity, 1 lost PS4 sale is more than the loss of this stolen game price.
Definately Contact YOSP.