I think a lot of the American Show Enthusiasts & people prefer the shorter snout, wide set big eyes look. In this article, an interview w/ Patrizia Casedei, on the 10th question, she explains the 'European' & 'American' look preferences/ types of the Yorkshire Terrier. It takes awhile to load...
The Global Yorkshire Terrier Magazine - March 2014
You might want to look into the Durrer line. Reputable respectable Show breeders will not use the words 'baby doll face'.