People at Wargaming in charge of the codes, should be forced to watch this video

DomoSapien: Cabbage was very vocal today about the fact that it has been the third time this has happened, and how it's unfair to Michael and his team because they need to reshoot or add footnotes to videos that get made a week in advance sometimes.

I know firsthand through my experiences designing and running the scavenger hunt event how frustrated players can get about technical issues with bonus codes.  Especially since you need bonus codes for just about everything nowadays...