Some of us work in tech and have skin colors that are similar to the person in question, and are deciding on the level of risk we are willing to take.
That this is not obvious to you is a clear indication of the fact that this isn’t something you personally worry about.
It is probably not a bad idea for people that don't fit in to consider obtaining citizenship elsewhere for their safety. Some non citizens are returning, though many who are considering this are tied down by their work or other constraints.