Most people on HN are level minded enough to realize that it is hypocritical to try to block people from immigration to protect their own jobs.
If you work in SV surrounded by top H1B talent, then you have a myopic view of how H1B is being used in bottom 80% of the IT talent pool.
The rest of us working in corporate IT know that vast majority of H1B is used as a vehicle for labor arbitrage.
They are paid prevailing wage? Please. I once had a guy who was getting paid $29/hour because two consulting companies were double dipping into $78/hour rate.