I would think that for the most part this would be a non-issue. The shooter is concentrating on the rim, not the defender. The shooter expects to have a defender come flying at him, and the difference to that shooter in a legitimate block attempt and some kind of weird unsportsmanlike distraction attempt would probably most often not be noticed.
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I swear, Gus, you'd argue with a possum.
It'd be easier than arguing with you, Woodrow.
Lonesome Dove
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