The best screw is the one which I have a screwdriver/drill head for! (Thus PHP is still the best language for a newbie on $5/mo or less shared web hosting!) But

The best screw is the one which I have a screwdriver/drill head for! (Thus PHP is still the best language for a newbie on $5/mo or less shared web hosting!) But really I agree with your point that these metaphors and analogies into other fields hurt the discussion since it changes to being about pointing out problems with the analogy rather than about whatever the discussion was originally about.