Well, if there aren't such programs people like Elon or Satya and Pichai might have never started out. You look at them as being successful and exceptional today (regardless of some of the more questionable antics and decisions), when they just started, it's hard to argue that you can't find similar, exceptional talent in the US.
But if you shut off that valve, they would not be here 25 years later.
But if you shut off that valve, they would not be here 25 years later.