https://www.zerohedge.com/news/2019-04-19/how-turn-america-shit-hole-country-4-easy-steps
Opening up the floodgates of immigration to people from shit-hole countries would not actually be a problem if America was a free country.
If people were free to keep what they earn instead of having it redistributed, free to defend themselves and their loved ones wherever they went, free to become entrepreneurs without impossible protectionist regulations, America would absorb and assimilate any number of immigrants and refugees.