A video is a piece of interactive software. Just like any software you purchase, you buy a license to use the software the way it was intended. Any use outside of that is subject to a terms of service violation. Customization at this stage is outside how they intended the game to be played, therefor it can not be done this year. You do not have a right to customize any game you want. The developers have full control and you don't have any say in the matter.