Except that doesn't explain why they'd make getting permanent residency so difficult. If they were interested in keeping your hard-earned dollars in the US, the

Except that doesn't explain why they'd make getting permanent residency so difficult. If they were interested in keeping your hard-earned dollars in the US, they'd try to keep you in forever. Instead you have to deal with the wonderful world of employer sponsored green card and your 15 year-long wait.