you're not factoring in a few specific things:

1) how many of these people leave the country in this analysis.

2) OPTs likely will get h1b/l1s/leave the country and are being counted distinctly.

3) not all h1b/l1/OPTs are for tech. majority for sure, but there's a conversation factor.

specially in the current situation that green cards are much harder to obtain and many OPTs don't find a job, I expect 1 to be much larger than in the past.

as a more general observation, this line of reasoning does fit lump of labor fallacies: https://en.wikipedia.org/wiki/Lump_of_labour_fallacy

That makes the assumption that every H1B, L1, and OPT is going into software development.

https://apnews.com/article/teacher-jobs-h1b-j1-visa-online-s...

    Like many school systems facing teacher shortages, South Carolina’s Allendale County has looked overseas for help. A quarter of the teachers in the rural, high-poverty district come from other countries.

    The superintendent praises the international educators — mostly from Jamaica and the Philippines — for their skill and dedication, but she is preparing to lose some of them as the Trump administration reshapes visa programs.

    Facing higher visa sponsorship costs and uncertain immigration policies, Superintendent Vallerie Cave said it feels too risky to extend some international teachers whose contracts are up or bring on others.

Are new H1Bs a thing anymore?

Since the fee went up to $100k, I’m not aware of any companies still sponsoring hires who need a new H1B

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this comment has so many bad assumptions is not even worth debating