not really, on a first time cross to a silkie you don't get the silkie feathers at all, you have to back cross a few times to get the silkie feathers back. Of the silkie Sumatra crosses that have happened here by pure accident, they were built more like a silkie and had lightly feathered shanks and any where from a small to medium size crest, and generally 5 toes and blue ear lobes.
I think with the shorter legs, its like the bigger is better deal. Instead of taking a too big of a bird and breeding it to others for bigger size, you take a bird that's to small and breed down your regular size birds