I agree but usa does not need to do this now because of over supply. They can play the carrot and stick game because h1bs are willing to wait 15+ year for green

I agree but usa does not need to do this now because of over supply. They can play the carrot and stick game because h1bs are willing to wait 15+ year for green card. Even after that much wait, you are not guerenuteed to get green card.