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As a white man, you lost me completely there. Immigrants are absolutely not treated better than I am anywhere in North America, or in Europe where I've been to date but I'll concede in places where white people are a minority that might not always be true. I haven't given up anything in my life for "foreigners" and I live a very privileged life.
As a white man born into this world, you haven't earned anything any other person just born into this world doesn't have. Just because some white people have accomplished something doesn't give you claim or credit for that. In fact, you are reviling (immigration, foreigners) the very thing that gave rise to the west as it is now.
The history of the white man is filled with taking ideas and solutions from other cultures and races they encounter and building on them, essentially the same thing you're accusing China of doing unfairly.
The concept that the west culture and existence is solely due to "white people" is false and largely has been false from the start. Slavery, abuse, theft and centuries of using and discarding anything and anyone we can to get ahead is a significant part of our history (that includes abusing/slavery of other white men, its not solely a race issue, its a power/money issue).
Immigrants, especially second and third generation immigrants often have stronger ties to the country the immigrated to and are more willing to fight for it and die for it as numerous studies ahve shown.
The concept that immigrants are freeloaders is false, and easily disproved by any reading of the actual historical development of the western world. The US is a good example, it's made up almost completely of immigrants and their descendants and much of its early success is due to one group of immigrants abusing and using others (Black, Chinese and Irish slave labor/indenturehood among numerous other examples).
The most likely people to fight for the west and defend its existence are those people you're putting down in your wildly inaccurate and fear-mongering post.