I was listening to CSPAN which luckily does not feel the need to “entertain” and thus provides some of the most objective coverage of how the sausage is made in our government.
Two guests were on, discussing tax reform. One was from a “conservative think tank” and the other from a “progressive organization”. They were making their points clearly and intelligently but going right down the line in terms of the standard boilerplate fiscal arguments associated with their respective party.
It struck me at some point that competition of ideas is exceptionally important to the checks and balances of our government. Moreover, the quality, logic, and reasonableness of the ideas is not what’s important. The most important part is that there is a significant group of people who genuinely stand (almost dogmatically) behind that idea.
In defending and idea, this group of people will search out every little problem about the opposition, and thus keep the opposition as honest as possible.
Sure, creationism might seem like an absurd infringement on the very foundation of science, but in the long-run it will keep evolutionary research honest by limiting the scope of their claims, and sharpening their arguments. That’s an extreme example. Most example are more subtle, like the moral and economic arguments over tax policy.