Precisely, SM! Imagine if Mexico and the rest of South America were Muslim countries! I think what we would call "appeasement" by Europe, might take on the very same flavor here.
There are many in this country - especially the religous right - who do NOT consider that the people of Mexico have much in common with the US. They are mostly Catholic, speak a foreign tongue, and have different cultural traditions, etc.
I will agree that the Mexican immigrant to the US is probably more easily culturally assimilated than the Turkish immigrant to Switzerland, however.