The main advantage of the European-type golden retriever is they produce far cuter puppies than the old leggy red dogs do.
I should note here that this color isn’t rare. It’s only relatively less common in North America than the other colors are. In Europe, the vast majority of goldens look like this.
And the color is not white.
It is a very pale cream.
If you want to find a rare color in golden retrievers, you can’t get much rarer than mahogany: