> They don’t think private companies should have any veto power over how the government uses some technology they're provided.
On the other hand, why should the government have infinite power to override how a business operates? If you're not able to refuse to sell to the government, isn't that basically forced speech and/or forced labor?
If you want to engage on this topic then you should start by reading up on the Defense Production Act of 1950.
https://www.congress.gov/crs-product/R43767