Were they not adding a division of show classes for "ornamental" cichlids, as opposed to "wild type?" I would think that a line-bred but non-hybridized severum would go into the same sort of class that would house things like gold rams and ruby red peacocks. These fish, like fancy guppies and show bettas, are not hybrids, but they are not wild-type either. For that matter, turquoise discus and pearlscale angels ought to be considered "ornamental" rather than "wild-type" as well, but I may just be opening a can of worms by mentioning that...
I've seen a version of the convention show guidelines that includes such classes, but I'm not sure if it was passed, or just proposed. In any case, I'm pretty sure the issue was being addressed or at least discussed.