Quote:
Originally Posted by Snaqwells
We talk all the time about how coaches should not be allowed to show us up, yet this signal does that very thing to the coach.
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This.
It's a very public admonishment which rarely, IMO, helps the situation. It may help CYA if you need that kind of video evidence for an assignor, but I see no way it's better than a quiet verbal message that conveys the same thing but doesn't show the coach up to the entire gym.