Yes, there are a lot of very talented and driven international students who come to the US. I know many of them. Power to them. I'm happy to have them stay.
The issue here is jobs that don't require very talented and driven people. The article is about outsourcing accountant positions. We're not talking about MIT trained engineers; we're talking about run-of-the-mill, white-collar jobs that many people can do.
You're talking about the first category, but the article is about the second category: the H1B system was meant to bring in people from the first category, but the system is being abused to bring in people from the second category. The american education system is irrelevant to this discussion.