Buns are more alert of Labour Laws. They can be lazy, and have all kinds of weaknesses that human beings have. But they usually debate with employer once they notice you are violating the Labour Laws instead of suing you after they left. And, though they are lazy and long face, they usually can be able to develop a relationship with our kids and love our kids much (of course I don't expect them to love myself ! Ha...) All in all they are more ethical due to their educational background and their religion.
But for Yans, they have more tricks like putting urine into your drinking water, suing you in the Labour Department instead of debating with you about the law while they are at work in your house, running away, messy with their sex life, and not care or love your kids even after 2 years of contract with you.
All the Buns I have hired would come back to revisit my kids from time to time after they have left, but the Yans never. This is exactly what I have experienced. I've also seen Buns around my district doing the same thing revisiting the kids of their employers after they finished contract. ANd Yans, as what someone described here, dressed in their seductive and disgsuting style which they thought it's so called "fashinable".....mini-shirts esposing their big tummy, low waist jeans exposing their fake "CK" underwear and "bottom clip", and blonde but messy unwashed hair, and all that...