I think I am just very bewildered by the extraordinary outpourings of terror and grief and, yes I'm sorry, hysteria, about the temporary suspension of travel rights for people who hold passports, may leave home alone and still have the choice to travel to pretty much any other country.
If there were only a few people complaining about this, it would be a 'shrill minority' or 'small group of trouble-makers'.
If there are millions, it's a bandwagon, a brigade, hysteria and an outpouring.
I'm glad people are speaking out. This is batshit. The new immigration ruling means that anyone who holds one of the prohibited passports and does not have American citizenship is either landlocked in the US (knowing that, if they leave, there's no guarantee they can return) or locked out of the country.
In real terms, this is affecting thousands of people in the US on student or employent visas; people who have gone through the lengthly, expensive visa process, done absolutely nothing wrong, but who now must effectively abandon their studies/employment if they want to leave the US for any reason - to visit their family, take a vacation, attend a conference. This Nature article gives a few personal examples of how this is affecting the academic community:
www.nature.com/news/meet-the-scientists-affected-by-trump-s-immigration-ban-1.21389?WT.mc_id=FBK_NatureNews
... and many large corporations, such as Google, were obliged to urgently recall their staff from overseas business trips and secondments when the news broke.
Arguably worse is the constant contradictory information as to whether the ban includes US green-card holders who hold the prohibited passports. A green-card holder is a legal permanent resident of the US. (After 5 years, IIRC, you can apply for citizenship.) These are people whose permanent lives are based in the US; who have families, houses, jobs. Who have paid taxes for years. Who have, again, spent time and money obtaining legal status and adhering to its terms. As of Friday, anyone caught overseas was in doubt whether they would even be allowed on a plane home; over the weekend, many people were denied boarding, and others were let in on a case-by-case basis.
It's unprecedented. These are not a few tourists: these are people who live legally in the US, and it's completely inappropriate to mitigate this with the reminder that they can travel to 'pretty much any other country' or that maybe they'll be allowed back in a few months, or if they chance it at the airport. Their rights are being restricted in their legal home. The only thing more extreme than this would be banning citizens.