It took about one year of paperwork and waiting in the USA to get a work visa for Japan. I had to prove to the Japanese government that my talents and skills were so specialized that Japanese nationals would not be harmed by my work. Most countries have a similar policy. Also, illegals, if caught working, were treated very harshly. The companies too.
That’s the way real countries operate.
Bush League Republicans and Democrats have made it almost impossible for US to be a real country.