Catharsis isn't art. You can't rely on catharsis to get a laugh. Because guess what? People do laugh when something's shocking, but that is, to me, the absolute fakest of laughs. That's not something that sustains a television series, or a movie, or even 45 minutes of a stand-up set at Carolines.
The government can only be brought down because it alienates several parties in the House.
The most common trouble with advertising is that it tries too hard to impress people.