It may, or it may reflect the degree to which the polls included illegals. Notice, I didn't say "likely voters" because the Dems would like as many illegals to vote as possible!
“To the degree Latinos differ from other Americans in these poll results, that establishes the degree to which they are resisting assimilation.”
Poll: Mexicans say Mexican-Americans Owe Loyalty to Mexico Over U.S.
Thu Oct 15 11:51:17 2009 ·
(CNSNews.com) - Nearly 70 percent of Mexicans surveyed said that Mexican-Americans including those born in the United States owe their primary loyalty to Mexico, not the U.S.
http://www.cnsnews.com/news/article/55496