This place that you took it were only doing their job, and it was only right to do so.
If you have any problems with your xbox, it is only natural to contact microsoft to go about this.
Q: When and how are you going to pick a winner?
A: We'll randomly pick three US and two UK winners out from all the tickets earned on the site. The more tickets you have, the more likely you are to win!
Q: I live in ... Can I enter this competition?
A: As long as you live in the UK.
LOL...
Also, something the game trade-in thing that they don't tell you is, you have to put down a £20 deposit, to declare a console, and then when it's released, you can trade in your console.