I'm personally a believer in LENR based on scientific evidence, but I welcome polite discussion and interaction with skeptics.
I prefer NEVER to use name calling, and in particular labels like "troll" or "pathoskeptic" should never be applied in polite discourse. These are ad hominem attacks that add nothing the discussion -- they are noise and therefore lower the signal to noise ratio.
Impolite users, or users who simply repeat unsupported attacks over and over are not adding to the discussion, and this should be actively discouraged. Ad hominem attacks should not be tolerated, i.e. [target] is a complete [derisive characterization].
So in short, Mary Yugo -- bring it on politely, yet judiciously. I find that Mr/Ms Yugo's skepticism sharpens my investigation into LENR, and occasionally reminds me of non-corroborating evidence that I had long forgotten.