"Deportations" is an ambiguous term, which may or may not include people turned away at the border and actual categories like Removals, Returns, and Expulsions.
It is. Which means the numbers are generally able to be fluffed. The fact that ICE isn't even bothering to do that communicates that they're not focussing on nor being held to it.
> which may or may not include people turned away at the border
You don't need to blow the military budget of most of the world's militaries [1] to do this, nor build "a surveillance system stretching into the country’s interior."