Justice or Editorializing?

I am of course one more voice in the chorus of laments against the Supreme Court's indefensible decision re: McCain-Feingold. Perhaps this is naive of me--I confess I haven't read that many Supreme Court rulings in their entirety--but I was shocked to see language (such as these quotes from the Los Angeles Times' front-page story ) like this in the decision: "growing evil…of big money"? "Pernicious influence of big money campaign contributions"? Are these judges deciding important First Amendment case law or peevish op-ed writers from Public Citizen?