Thorough investigations of businesses and high net worth individuals is what the manpower is needed for. If they stop doing those investigations and they put in

Thorough investigations of businesses and high net worth individuals is what the manpower is needed for. If they stop doing those investigations and they put in incredibly strict automation to enforce the compliance of the average W2 filer, the IRS would definitely be able to carry on with a fraction of its current workforce. Imagine Google's automated content moderation, but with federal law enforcement to carry out the penalties.