OK. For a while there this weekend, some of your employees/co-workers who had been legally present and working in the United States couldn't gain re-entry to the United States if they happened to have been traveling.
But of course that's "just politics". Nobody should talk about it on HN. No business impact whatsoever. Nope. None. Zip. Zilch. Zero. Nada. A goose egg. No idea why that suddenly got some tech execs to get up and go out and express their carefully-vetted couched opinion that perhaps hypothetically it might from some perspectives be worth considering the possibility of expressing a hint of tentative questioning as to whether the best policy might not be being pursued.
Here's a hint: there is no separating out the "politics". Whether you realize it or not, what you're really doing is trying to separate "things which I perceive to directly personally affect me right at this moment" (on-topic) from "things which I perceive to directly and personally affect other people and not me, or which I perceive to not currently affect me" ("politics", off-topic). The problem with this, of course, is that for every thing that affects you, there'll be another person who is or perceives him/herself to be unaffected and declare your issue "politics". And for every issue you declare "politics" there'll be another person who is or perceives him/herself to be affected and dispute it with you.