Yep, IMO and experience, HH chew the rear disc. EBC organic compound works fine in the rear, also in my experience. Experience meaning that I’ve actually used them.
EBC HH work fine in the front, I’m most of the way through my second set and there’s no noticeable wear whatsoever on the discs. Braking is also improved, with consistent feel, no overheating, and additional bite when asked for at the lever.