I haven't come across any issues with copper bands aside from actually getting them to eat prepared foods and trying to "train" them to go after aptasia. I don't have any personal or anecdotal accounts of copper bands being coral munchers/nippers.
It's a tough call with most "reef safe with caution" fish. Each fish has their own personality.
Do you feed your scolymia? If you are placing pellets or meaty foods on the coral....you may inadvertently "train" your fish that the coral is a food source.
I'd be inclined to try the copper band from my own experiences. Good luck.
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