And no, not just because ppl should RTFA before engaging in ludicrous parochialisms.
Consider: The Copernican revolution in how the US (unlike any other Western country) deals with travellers like Halvar coming to its borders from a legal, cultural, historical perspective is in the context of a wholesale erosion of human and civil rights -- of American citizens (not the hapless foreigner popping in to educate you). Realise how these incidents do sustained damage to the US reputation, its economy and its already shockingly insular society, and you will also catch a glimpse of the loss of rights and freedoms for Americans themselves.
"The pathology is to want control, not that you ever get it, because of course you never do." -- Gregory Bateson