Lots of negatives to untie in that comment. I finally gave up.
My intent was to point out we gripe when they don't do the biding of their constituents and it favors our position. But we are even more angry when they do the biding of their constituents, but it isn't in our interest.
Their path to re-election is doing what their constituents like. Otherwise they would be primaried or defeated by an opponent in the general election.