Some people DO assimilate.
Many Mexicans really do leave because the corruption of Mexico nauseates them. They seek due process and honesty which America used to be famous for.
But it can’t happen if we let in a sea of lawbreakers who neither understand nor care about such things.
Illegal immigration from a failed society will be the death of America, and the world will suffer greatly for it.
So why don’t more speak up?
Never mind, I know. Crab-pot syndrome. Their neighbors will take them out. Just like another minority group I could mention.