Anderson's muckraking is one of debatable ends constantly used to justify questionable works.

The ends justify the means

Or at least the ends justify being really mean!

If they're gonna get you, they wanna get you, ... And they use Machiavellian technique. The ends justify the means. That's what this low-life country is all about, John. That's the reason they have me in Marion, John.

It's kind of debatable whether or not the advertisement model is effective. Like whether Nielsen works.

History is a tool used by politicians to justify their intentions.