The hi-tech firms and computer/internet firms do the most hiring of H1Bs. Tech/Computer/Internet is at 65-70% of all H1B hiring //////// Non-Tech Entities 30-35%
But this H1B hiring is way beyond this. Many of the tech workers in towns, cities, hospitals, universities are H1Bs. There are Indian doctors here who are H1Bs

I’m talkin’ about McDonald’s & Whataburger.
Patrick Mahomes is partner in a Whataburger franchise group. With the exception of the shift manager, the evening crew is all-Indian.
“Deport all Indians” is not how you say “Reform the work visa system.”