As long as it collects some more scalps and publically shames a few more of these swines so be it.
It's only worth it if they get the focus right.
One of the problems during the UK expenses scandal was that there was so much focus on those that had wrongfully claimed expenses, that there was little focus on those who legally claimed expenses that really shouldn't be legal - like David Cameron claiming £21,000 a year for his mortgage, and George Osborne £18,000.