Creativity – The best way to prevent new solutions is to believe you already have the answer. Allowing a gap of doubt can allow creative alternatives to flow in. If you are adamant that advertising will not work for your product, you might cut off hundreds of ideas for improving your business.
Amen to that! There are several others listed, and I completely agree with what is being said. Skepticism has been the route to balance in my life, the route to understanding.
There is also an amusing story from The Big Room calling for a government War on Science. I find the idea amusing.