Key word TENSE in your sentence is the PAST tense ("made"). What is true of the past, is not necessarily true of the present. Without immigration I wouldn't exist. My mother was born in Denmark. Immigrated here. That doesn't mean that immigration is good in 2022. Most SMSAs in America are grossly overpopulated , causing HARM to residents in a long list of ways.
Harms of immigration
1. Americans lose jobs. (especially Whites due to affirmative action).
2. Wage reduction.
3. Tax $ lost (due to off books work + lower wages paid).
4. Remittance $$$ lost. ($148 Billion/year).
Remittance flows worldwide in 2017
5. Tax $$ lost to immigrants on welfare.
6. Increased crime.
7. Increased traffic congestion.
8. Increased pollution.
9. Overcrowding in hospital ERs.
10. Overcrowding in recreational facilities.
11. Overcrowding in government offices.
12. Overcrowding in schools.
13. Decrease in funds available for entitlements.
14. Cultural erosion.
15. Overuse of scarce resources (oil, gasoline, fresh water, jobs, electricity, food, etc)
16. Introduction of foreign diseases
17. Influx of terrorists.
18. Wildfires
19. Litter
20. Housing saturation.
21. Excessively high housing costs.