And that's not even accounting for the fact that there is little reason to believe that many of these changes might never actually take effect or be rolled back soon. So much cost that could have been avoided!
Anyone who spend 30 seconds thinking would understand that spinning up the logistics to collect hundreds of millions if not billions of payments would take some real doing. Instead, we're gifted mr "it's obvious and easy".
The US government moves slow and the US is big. Big-and-slow can be planned for. Big-and-fast cannot be planned for and is, in fact, hugely disruptive.
Apart from all other parameters, the US does poorly with tyrannical-style rule because it's bad for business.
But when previous administrations did this, they (usually, as far as I know) consulted with domain experts on predictable consequences and set timelines to factor that in. This administration seems to have "effective immediately" as the only timeframe it's aware of.