问花钱建墙值不值和花钱养军队值不值是一样的道理。 我们花在他们身上的净支出是多少? 下面有统计:
total cost of illegal immigration at $135 billion a year, while claiming undocumented immigrants paid only $19 billion a year in taxes. That leaves a net cost to local, state and federal governments of $116 billion a year.
https://www.azcentral.com/story/news/politics/fact-check/2018/06/26/paul-gosar-how-much-do-undocumented-immigrants-cost-economy/691997002/
所以,建墙还是值。