[You said]

"If there is crossing over, new groups are formed, such as Polish-Germans, who might not be loyal to the interests of Poles or Germans"

[My Response]

I am confused by this message. Besides common sense like the 10 commandments.

What best interest are you talking about?

[You said]

"The differences between these types of people would of course be more subtle than how different an African-German would be."

====================== [My Response]

Like what?

[You said]

"All of the different white groups have lower rates of genes for psychopathy and low IQ than the black groups do"

[My Response]

What studies are you looking at? What type of comparison analysis did someone do?

[You said]

"So with interwhite mixing, the order can still be maintained with a little more effort, but with interracial mixing, the nonwhite disorder becomes a serious threat to civilization. "

[My Response]

Please give me some examples of this? And I am assuming interaction between the average citizen. Not black or white trash.

[You said]

"European-Americans are very distinct from African-Americans in most metrics, especially the very important ones like crime, taxing/ spending deficits, average IQ, and patents per capita. "

[My Response]

Which African Americans are you talking about? Middle-class African Americans with duel parents.

Or

Poor African Americans from single-parent homes?

You are being very high level in your analysis. You aren't breaking down anything with examples to back up what you are saying.