Have they really? Gus barely used him. Oscar had very little option due to injuries. He used him early when players were out, when he had a good lot of options JFC dropped out the starting line up, then injuries occurred and JFC returned. Hyypia seems to be the first to choose to use him, and...
In one of the previous couple of match threads someone else noted this. It appears if you've ever had a seagulls player account that you've used on the app before, it will still work, even if your account has expired. I don't know how long it'll be before they fix it.