Even if your state elects the smartest senator there has ever been, he still becomes part of the massive lumbering machine. And the machine is only as smart as it's dumbest person. The US Government has so much baggage now that it's nigh impossible to make anything but superficial changes.
I agree with you, and so does Lawrence Lessig[1]. If more people got behind the cause he started called Fix Congress First[2], that might be a bit more effective than the approach of 'anonymous'. Or, perhaps, the combination of the two would be best.
What if the election mechanism has been (psychologically) engineered in a way to make real change as difficult as possible and where the only possible changes are pre-scripted like a video game to the benefit of whoever is at the top at the moment?
Your "intelligent" vote is worthless if only a small, insignificant number of people are intellectually able to vote intelligently. The hurdles for making change should be low enough to be not only theoretically, but also practically possible.