They serve a valuable purpose: They hold up mirrors on the 'issues of the day' so we can see ourselves reflected in them and have an opportunity to understand/recognize the coutry's institutionalized stupidity for what it is. A highly valuable secondary effect is to flush out of hiding those with opposing views who are, nevertheless, even dumber than the first set.
By this means, people of common sense can locate, identify, and hopefully neutralize idiots of all Creeds, Parties, and Outlooks.
...and yes, I realize that doesn't actually answer the question.