Oh, jewels! -Damn, I almost forgot they exist!
I had 1 diamond and 1 ruby some time last year. -Then cut my kitty-flock down to 40, now up on 55 again, so 25+ kittens every week. No jewels.
I think only the ones with fancy-cats will get more fancy-cats (because fancy-cats make a jewel every time they make a kitten) - and because people grew ever so tired of the jewel-rush, and the fancy-eyes are no longer that new, well... I'd say the whole jewel-thing hasn't really been a success, sorry
A few people invested VAST amounts of money into getting the first fancy-cats - I have no clue if their investment paid off in any way, but I would suspect not.
Unless they do something about that jewel-drop-chance, I surely won't ever get a fancy-cat. I was as exited as everyone else when they were first announced, but.... Hmm
-At the same time, jewels are SO rare that most new breeders have no clue what they are! -So I expect a few ones landed up in trash along the way. I had to save a ruby from the trash can when my own mother had one with her FIRST EVER kitten! She doesn't see so well, and thought it was some stray prim from her recent re-decoration of her house :O Luckily, I came by before she thought, she meant to remove it before I came, thinking that I'd chuckle over her usual "stray prims"... ;-)
So, my suggestion: Either do something to re-ignite the excitement for the jewels / fancy-cats, or get rid of them all together, leaving those few who has one with a super-rare cat at least. Maybe THEN their investment would sort of be worth it.
Saga