Arthur,
Boy, you are just lookin' to stir up a hornet's nest with this one, aren't you? <img src=icon_smile_wink.gif border=0 align=middle>
I understand the reasoning behind your post and always follow the motto of "better safe than sorry" so we are on some common ground. But, I also agree with what Bowfanatic posted. Having a fast setup to compensate for minor misjudgements in yardage ( 5 yards for example) is, in my mind, more ethical than shooting a slower bow and knowing that you can't make the shot.
But, notice the terms I used..."fast setup" "slow bow"...not necessarily related to arrow weight. As we both know there are other factors such as draw weight, draw length, cam style, etc.. that all play a part.
Also, what one might consider a "light" arrow might be medium weight for another individual. For example, a 400 grain arrow might be "light" coming out of an 80 lb draw weight bow while that same arrow is in the mid-weight range for most of us that shoot between 60-70 lbs.
I would like to hear your further clarification on these issues.