This proves the first part of your claim, not the second (which is wild speculation and no data exists)

The US has successfully brain-drained the rest of the world over the last 20 years.

https://nfap.com/wp-content/uploads/2020/05/The-Impact-of-H-...

Non sequiter.

What you said was “If H1B is gone we will see a decrease in wages not an increase.”

Then you said other random stuff that didn’t prove that statement in any way.