Right now there's still a huge imbalance between men and women. While not ideal for Han Chinese, just being able to marry and have children makes intermarriage

Right now there's still a huge imbalance between men and women. While not ideal for Han Chinese, just being able to marry and have children makes intermarriage between other ethnic groups a necessity. When the end result is you have a family that more or less looks Han and is culturally Han, no one cares really about the means.