This. Even if their intentions are well during their campaigning, once they get voted in the senate leaders say "ok this is how it's done around here. If you do as you're told, we'll make sure that you are re-elected. You can enjoy all of the kick backs and benefits that we get! However, if you speak out or go against us, we will make your life a living hell, as well as your family. And make sure that you never hold public office again"