The more you get money from big businesses, the worse you do at guessing what the public wants. And the more you get money from membership-based groups, the better you do at guessing what the public wants. But the reality is that there's a lot less money coming from membership-based organizations than from corporate groups. So it's not surprising that overall those staffers are doing a bad job - they're hearing from businesses more, they're getting money from corporations more, and that seems to be influencing what they think the public wants across a range of issues.