Firstly, the US already has intensive screening for immigrants and does reject a lot of people from entering the country. So Trump and other like minded folks s

Firstly, the US already has intensive screening for immigrants and does reject a lot of people from entering the country. So Trump and other like minded folks saying that the US has open or porous borders is false. The motivation for that claim could chalked down to old fashioned xenophobia rather than any concern for security. On the issue of privilege vs human rights, the US is populated by immigrants and many of them who argue against bans like this see themselves in new immigrants. The Trump/Bannon/Miller argument is that since immigrants are stealing jobs and are weakening the value system of the US, we need to cut back on immigration. That sends a very strong signal to present immigrants that their presence is harming the country. The outrage against Trump stems from this kind of signalling from his administration.