Foreigner tech employee here. Can you please explain how Trump can prevent me from taking the good tech jobs, when most of the best jobs are in companies spread around the globe, or in cool startups which allow flexibility in location?

Its not a question of someone expecting entertainment to be educational, but as much of people's physical understanding is intuitive, it gets affected by things that you see often. People start "expecting" space ships to make whooshing sounds even if they know sound cant travel in vacuum.