Each time they yield to a voice from Washington or any political pressure, each time they eliminate something that might offend some section of the community, they are creating their own body of precedent and tradition, and it will continue to pursue them.
The reverse of this is what's being done in Hunger Games. The only things that were shown were what the capitol approved and things that they wanted people to believe, while the ads with Katniss go against the set traditions of the capitol.