So, the call to action is: if you're an origami creator (or you have permission to represent one in DMCA notices) then take a look at the list here:
I'd say go a step further and refrain from posting in that group trying to argue with people about that sort of thing. Just take a breath and do the reporting part.
Never try to teach a troll to behave. It wastes your time, and annoys your spouse or loved one.
