The reality is that these numbers don't prove anything. If H1B visas are constraining wages (and they most certainly are), everybody's wages will be constrained

The reality is that these numbers don't prove anything. If H1B visas are constraining wages (and they most certainly are), everybody's wages will be constrained. The line of reasoning is so silly that basic supply-demand argument will prove it wrong: if there are more workers, there will certainly be a downward pressure in salaries, it doesn't matter the origin of the work force. Saying otherwise is just unreasonable without proof.