i think this can also be used like this
you account is banned
the game will NOT work anymore on the account, as the account has been blacklisted
but this could be something they could do as well
if the game is used
if the game is tie to an account, you may need buy a new license off the PSN store ($5-$20 USD), so you can run game and link it to that new account
the game(license) can only be linked to one account at a time
when you put the game in,
a message show up,
this game is tied a a different account, you need to purchase a license for your account
it willl take you the the PSN stroe you you can buy the license