Theres a expression "That dog dont hunt" which has the same meaning. To streatch the anology folks with no experince with dogs have be educated if they are going to 'hunt'.

If I had time to burn I'd go back thru all the discussoin boards where this subject comes up and organize all the arguments & information into a single essay. Then when it appeared before me again all the data, staticstics, facts, quotes, sources, bibliographys, refutations and expert witnesses could be posted in a single entry.