The problem is that people generally have good reasons to immigrate. People don't deserve a lower standard of living just because they weren't born in a first-world country.
People in our country don't deserve a lower standard of living because other people want to live here either. A country/government exists to help its own people.
Where's the line? How many people should be allowed, and of what caliber? That number is the whole point of having an immigration system.
Where's the line? How many people should be allowed, and of what caliber? That number is the whole point of having an immigration system.