Too Long; Didn't Read
Computer Scientist and Public Inventor writes about the 'thatsbeendoneism' in response to an idea that has been done. His advice is: Don’t you believe it. Instead, work boldly and confidently in whatever direction your spirit guides you. We must forgive the thatsbeendoners, and understand them. However, the human weakness of a desire to appear knowledgeable combines with the human frailty of not listening patiently enough to our ideas before passing judgment, multiplied by the human limitation of memory.