I think that's the problem that plagued this thread for a long time.
If you cull hard enough and have something with a little fibro to start with anyone can create something that looks like Ayam Cemani.
However that's not the same thing.
Please have some respect for the original breed.
Have fun breeding variants, learning about genetics, building new lines, but please have respect for the original, unique and interesting breed along with the name it carries.
I cant suddenly become Native American, Scottish, or whatever is popular or gets me a date just because I want to.
Heritage has a lot to do with it no matter how many of my ugly brothers or sisters daddy kills... I'm still what I am.
(forgive the extreme example, but truth is truth)