Most CS students want to come to the U.S. from around the world because the CS Rock Stars are here! Where else are you able to go to a meet up and strike up a conversation with the person who wrote popular software you admire? How often do you get to do that in another country? The immigrants want to start companies here because there are success stories here - especially immigrant success stories. I love the CS classes here ... I love the passion that students show, I love the side projects people are willing to invest free time in ...