"There is no greater mistake than the hasty conclusion that opinions are worthless because they are badly argued."
Thomas H. Huxley (1825-1895) English biologist
Not clear? Maybe this will help.
The opinion of a man pointing a gun at you, stuttering "Haaaaaaaannnnndsss Upppp!", should be every bit as important to you as the same scenario minus the stutter.
Well presented ideas deserve to be thoughtfully considered, but don't be too quick to dismiss those that are not.