my experience is that this is hardly ever true in politics. Legislators are generally balancing what they think is right (or what they think voters think is right) with what is in their own self interest (such as getting re-elected). As a result, they most often do their best to serve their own self-interest first and foremost. They raarely try to rectify something if rectifying it is at odds with their self-interest.
Rectifying this situation would likely involve some third category "somewhere in the middle", but that's not what we got.
