The amendment itself.
See E (2)(b) http://www.judiciary.senate.gov/imo/media/doc/Cruz4-(MDM13526).pdf “have at least 2 years experience in an occupation designated by the Bureau of Labor Statistics as experiencing a shortage of labor throughout the United States.’’”
607,500 "highly-skilled workers" PLUS 405,000 "shortage" workers! That's even worse than what the article describes.