So the green card issue is that of "status transfer," where if you change jobs in the first step of the green card application, you have to start again, since your employer sponsorship status doesn't transfer, putting you at the back of a nearly decade-long line. Based on anec-data, we suspect a large number of immigrants want to start companies but can't until they get green cards, which is a big problem for an innovation-based economy.
For startup visa, the latest version has other paths, involving $100k in US revenue or simply being a H1-B/student visa holder with sufficient assets/income to not be a drain on US taxpayers: http://kerry.senate.gov/press/release/?id=4e6a51f6-fb2b-4212... Meaning, there's less pure reliance on VCs as the gatekeepers for visas and green card, a la the criticism of the 2010 Startup Visa by folks like Vivek Wadhwa.
For startup visa, the latest version has other paths, involving $100k in US revenue or simply being a H1-B/student visa holder with sufficient assets/income to not be a drain on US taxpayers: http://kerry.senate.gov/press/release/?id=4e6a51f6-fb2b-4212... Meaning, there's less pure reliance on VCs as the gatekeepers for visas and green card, a la the criticism of the 2010 Startup Visa by folks like Vivek Wadhwa.
Additionally, the Lofgren-Polis IDEA Act opens up a whole new path, though one I don't think has any chance of passing in this current environment: http://www.usimmlawyer.com/news-blog/42-blog/293-rep-zoe-lof...
By and large, though, completely agree with the points here.