Why do so many DU'ers think it is racist to be concerned about

[pnwmom]

unrestricted immigration? About the flood of illegal immigrants who have entered the country in recent years, depressing wages in local industries and stressing local government resources?

Don't we need some planning, some limits, on immigration? Can the resources of our country support unlimited immigration?

Shouldn't the number of immigrants allowed in each year be based on the number our economy needs -- without depressing wages and benefits -- and our infrastructure can handle?

Is it racist to say a person from Mexico should have to obtain a VISA to immigrate here, just like a person from Somalia, Vietnam, or Afghanistan?