Do you support the status quo of millions of H1Bs? Those people I doubt can or will take such a principled stance, making collective action by tech workers impossible.

Wouldn't this be an argument for people who can take principled stances to do so?

That's exactly why they are imported in such huge numbers.

You can comfortably go back to your home country. It might feel that you wasted your time in the US, but it was hard to foresee Trump ruining the US so fast and there's little to do about it as an immigrant.

Absolutely, there’s a reason as well why the VC’s funding these defense tech startups are so pro H1B. It guarantees them a compliant workforce who can’t easily quit, ask for higher wages, or complain about things like genocide.