Wonderful - shouldn't Sponsor do smth about all correct answers it rejects?
This contest turned into a joke and PC/eprize team is to blame, not people who noticed their errors and took advantage of them.

Now multiple accounts for the same person is indeed against T&Cs but that has nothing to do with the game, it's PC's account T&Cs. They should have by now set up some kind of software to identify that given the nature of their promotions.