Noll, we had this discussion around the time of ABC. I'm with you where I find it unethical. What I find amusing is that I see people talk about how they need to make shots tougher, more demanding, etc and these same people will then advocate blowing a hole in a shot to make it easier and allow them more room for error. Is this practice illegal? No, therefore it's not cheating. But in my mind I find it unethical, especially to purposely destroy your opponents favored line.
Statements have been made that good players can adjust. Well, getting to the pocket is one thing, carrying is another. Not all lines carry equally on all shots. There is a reason why Norm Duke (just using him as an example) will play one shot inside 4th arrow, and a different shot up the twig. He can get to the pocket from anywhere, but he won't carry from anywhere.
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The clock on the wall says 3 O'Clock...last call...for Alcohol!